{"product_id":"pipercross-airmax-air-intake-system-pk445full","title":"Pipercross AirMax Air Intake System - PK445FULL","description":"\u003cp\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW217286242 BCX0\"\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW217286242 BCX0\"\u003eThe PK445 Pipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW217286242 BCX0\"\u003e AirMax Carbon Fiber Intake System takes your BMW S58 G8X M2\/M3\/M4 to the next level. All Pipercross AirMax Intake Systems are m\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW217286242 BCX0\"\u003eeticulously designed Carbon Fiber intake systems, tailored to your specific vehicle, providing a bespoke solution for maximising power, efficiency, and induction sound.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003eKEY FEATURES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-contrast=\"auto\"\u003eCarbon Fiber AirMax replacement intake airbox lids, featuring an increase of over 24% in outlet size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-contrast=\"auto\"\u003eCarbon Fiber replacement intake pipe - volume \u0026amp; flow optimised for engine bay cavity w\/ aluminium-reinforced inlet\/outlet connections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-contrast=\"auto\"\u003eUtilises Pipercross Plus Panel Filters; hybrid, multi-density, high flow panel filters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-contrast=\"auto\"\u003eStep-matched, thick-walled silicone hoses, designed to maintain OE engine flexure \u0026amp; bay clearances\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-contrast=\"auto\"\u003eFlow tested to confirm 84.26% maximum and 62.59% average airflow restriction decrease vs. full OE intake system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-contrast=\"auto\"\u003eDyno tested with an increase of up to +11 to +30 HP \u0026amp; +16 to +35Nm TQ Power gains (Stock to Stg1)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cimg src=\"https:\/\/cdn11.bigcommerce.com\/s-6xzgqmdvx9\/images\/stencil\/original\/image-manager\/img-8258-1726484182372.jpg?t=1726484185\" width=\"1576\" height=\"1024\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003e\u003cbr\u003eOEM INTAKE ASSESSMENT\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\"\u003eThe OE intake filtration medium, inlet\/outlet sizes and internal body volumes of the OE airbox lids\/intake crossover pipe were all specifically targeted by the Pipercross engineering team as areas for system airflow capability improvements. Conversely, the OE lower airbox halves and turbocharger inlet elbows were deemed sufficient to support the kit’s increased airflow targets; based on OE M-level engineering efforts, specific part size\/functionality and Pipercross engineers’ experience from\/knowledge with overall performance intake design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003eBoth airbox lids and the intake cross pipe were to undergo a ground-up redesign, leveraging Carbon Fiber manufacturing methods to achieve larger internal volumes, cross-sectional areas, inlets, outlets and filter-complimentary flow geometry throughout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003ePLUS PANEL FILTERS\u003cbr\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW187682949 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003eThe heart of the G8X \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW187682949 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e Kit is \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW187682949 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e’ flagship panel filter; the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW187682949 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e Plus. These filters feature a hybrid, bespoke filtration multi-laminate foam to achieve the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003eoptimal\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e balance between increased flow and air filtration. Additionally, the Plus filter range feature an industry-first, CNC-laser cut, 0.9mm thick stainless steel backing frame that increases effective airflow 22.1% over typical mesh backing frames\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e. \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003eAs such, the Plus filters are the performance anchor for the entire \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW187682949 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW187682949 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e Intake\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW187682949 BCX0\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003eAIRBOX LIDS\u003c\/strong\u003e\u003cbr\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW221146670 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003eThe \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW221146670 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003e G8X \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW221146670 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003e Lids allow full \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003eutilization\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003e of the Plus panel filters’ airflow potential. These lids have been precisely crafted to achieve better post-filter flow dynamics, feature more internal post-filter air volume, and \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003eutilize\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003e larger air outlets, all without compromising on OE fitment standards. The flow-conducive geometry and increased internal volume \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003eassist\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003e the natural formation \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003eof laminar airflow within each airbox, increasing filtered air throughput significantly vs. OE. The 98mm inner diameter outlets offer a 24.02% size increase over the OE right-hand lid outlet and a 75.03% increase over the OE left-hand lid outlet, these increases compliment the geometry and volume modifications perfectly. Each \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW221146670 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221146670 BCX0\"\u003e lid also features an aluminium ring bonded into the outlet connection area; ensuring continued load and elevated engine bay temperatures have no effect on the structural integrity of the outlets. The Carbon Fiber designs boast a form-follows-function aesthetic, with crafted directional airflow channels that look right at home in the S58 M-performance engine bay.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003eINTAKE CROSS PIPE\u003cbr\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW65252690 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003eThe \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW65252690 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003e G8X \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW65252690 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003e Intake Pipe supplements the right-hand airbox lid \u003c\/span\u003e\u003cspan class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW65252690 BCX0\"\u003eperformance, and\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003e brings the flow capability of the overall kit to the next level. The carbon intake pipe was designed with one \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003egoal;\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003e to optimise internal flow volume within the relative S58 engine bay cavity. This volume increase allows for maximum laminar airflow (and maximum airflow delivery, as such) within the available space. The \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW65252690 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003e part does this without compromising OE fitment standards or proper clearances, fully \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003eutilizing\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003e the advantages of carbon manufacturing to create indentations and cross-sectional transitions with favourable flow geometry\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW65252690 BCX0\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003eSILICONE HOSES\u003cbr\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW262902347 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW262902347 BCX0\"\u003eAll silicone hoses feature smooth internal bores, flow-matched coupling transitions and 5-ply wall construction; yielding just the right amount of engine decoupling without any airflow destabilization associated with typical corrugated or bellowed hoses.\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW262902347 BCX0\"\u003e \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW262902347 BCX0\"\u003eThe left-hand side hose was specifically designed to maximise volume and air speed in the tight bend from the airbox outlet. With a constant tapered design, reducing to match the turbo inlet ID with a\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW262902347 BCX0\"\u003e \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW262902347 BCX0\"\u003estepped \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW262902347 BCX0\"\u003einternal\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW262902347 BCX0\"\u003e for precise flow matched geometry.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003eFITTING HARDWARE\u003cbr\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW67736651 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW67736651 BCX0\"\u003eBoth turbocharger couplers are CNC-machined from aluminium billets to stringent dimensional\/finish standards, then hard-anodized to guarantee a perfect OE fit and functional durability for the life of the vehicle. Similarly, only stainless-steel hardware is \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW67736651 BCX0\"\u003eutilized\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW67736651 BCX0\"\u003e to ensure corrosion, oil and other adverse engine bay environmental factors have no effect on the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW67736651 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW67736651 BCX0\"\u003e kit’s function or aesthetic. Machined standoffs that house the fixing screws were designed to mimic the same spacing as the OE lid for perfect fitment and compression of the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW67736651 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW67736651 BCX0\"\u003e PLUS panel.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003eRESEARCH AND DEVELOPMENT\u003cbr\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW56859816 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW56859816 BCX0\"\u003eAll \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW56859816 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW56859816 BCX0\"\u003e products are designed in-house, utilising the latest 3D-printing, 3D-scanning, CAD, CFD, airflow testing and performance testing product development technologies. Multiple stages of testing were conducted within \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW56859816 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW56859816 BCX0\"\u003e’ engineering department, to gauge the effectiveness and shortcomings of the OEM system, while confirming the increased performance of various iterations of the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW56859816 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW56859816 BCX0\"\u003e intake. Bench airflow testing was conducted on the full OEM intake system and multiple \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW56859816 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW56859816 BCX0\"\u003e prototype intake design iterations, using \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW56859816 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW56859816 BCX0\"\u003e’ in-house flow test apparatus inside a controlled environment. Performance testing of the OEM and final \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW56859816 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW56859816 BCX0\"\u003e intake design was completed at a third party, independent, environmentally regulated dynamometer cell to ensure unbiased, final performance gain data was captured.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003eAIRFLOW TESTING DATA\u003cbr\u003e\u003c\/strong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW96156537 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW96156537 BCX0\"\u003eFour intake configurations were tested on \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW96156537 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW96156537 BCX0\"\u003e’ in-house stationary airflow test apparatus. To develop \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW96156537 BCX0\"\u003ean initial\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW96156537 BCX0\"\u003e performance benchmark, the full OE right-hand and left-hand intake systems (full airboxes plus OE air filters, to turbocharger inlets) were flow tested to their respective maximum flow values. Notably, the left-hand OE intake system was not able to pass more than 647 CFM of airflow, while the right-hand OE system was able to pass 770 CFM of maximum airflow. The \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW96156537 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW96156537 BCX0\"\u003e Plus filters were then installed in the OE system, to gauge the resulting airflow increase from only the Plus filters. Following this, two prototype \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW96156537 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW96156537 BCX0\"\u003e iterations were tested with different filtration methods; a cylindrical style filter and the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW96156537 BCX0\"\u003ePipercross\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW96156537 BCX0\"\u003e Plus panel filters.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW223696597 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003eBoth \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW223696597 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e versions were tested with the same \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW223696597 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e cross intake pipe, billet aluminium turbocharger couplers and silicone hoses; only the prototype airbox lids were changed (one design that integrated cylindrical cone filter connections, and one design \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003eoptimized\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e for the airflow paths of the Plus panel filters). The table and graphs below summarize the results of this testing; confirming the performance benefit of the PX Plus filters alone, as well as the increased performance when the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003eadditional\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW223696597 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e components are added. Of note are the Plus filters’ performance, when coupled with the complimentary \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW223696597 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e components. This configuration was able to outperform the other \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW223696597 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e configuration (utilising cylindrical air filters with 34.4% more filtration surface area vs. Plus filters\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e);\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e yielding 58.38% maximum and 29.16% average reduction in restriction vs. that \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW223696597 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e configuration. Similarly, the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW223696597 BCX0\"\u003eAirMax\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW223696597 BCX0\"\u003e kit w\/ Plus filters flowed a maximum of 715 CFM (LH) and 785 (RH), to the respective OE’s 647 (LH) and 770 (RH) CFM maximum flow values.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cimg src=\"https:\/\/cdn11.bigcommerce.com\/s-6xzgqmdvx9\/images\/stencil\/original\/image-manager\/airflow-graph-rh-website.png?t=1726474374\" alt=\"Airflow graph RH\" width=\"549\" height=\"307\"\u003e\u003cimg style=\"float: right;\" src=\"https:\/\/cdn11.bigcommerce.com\/s-6xzgqmdvx9\/images\/stencil\/original\/image-manager\/airflow-graph-lh-website.png?t=1726474463\" alt=\"Airflow graph LH\" width=\"549\" height=\"307\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cstrong\u003ePERFORMANCE TESTING DATA\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\"\u003eBuilding upon the data gathered from Pipercross’ in-house airflow testing discussed above, the final configuration of the AirMax kit (utilising Plus filters) was tested on Pipercross’ in-house G80 M3 vehicle. This on-vehicle testing was conducted utilising a third-party, independent SuperFlow Autodyn 30 four-wheel drive dynamometer within a temperature and airflow-controlled test cell. The vehicle was tested with both OE and aftermarket tuning applied, to gauge the performance effectiveness of the AirMax kit at different levels of vehicle modification. Three runs of each configuration were tested on the same day, within the same cell (twelve runs in total) and the vehicle was allowed to cool between testing sets. \u003c\/span\u003e\u003cspan data-ccp-props='{\"201341983\":0,\"335559739\":160,\"335559740\":259}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003eThe data graphed shows the average of three runs for each vehicle configuration tested. As demonstrated in these graphs, the AirMax kit provides meaningful performance benefits to a completely stock vehicle; but can significantly increase engine performance in conjunction with aftermarket engine tuning. Another performance benefit of the AirMax kit (not clearly demonstrated with the data graphed) is resistance to heat soak and resulting power loss.\u003c\/span\u003e\u003cspan data-ccp-props='{\"201341983\":0,\"335559739\":160,\"335559740\":259}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-contrast=\"auto\"\u003eWhen tested with OE tuning, both the OE and AirMax intake systems provided repeatable power figures across each of the three testing runs. Conversely, when tuning was applied, the OE intake system consistently lost power on each testing run – indicating the OE intake is particularly vulnerable to the elevated engine bay temperatures of tuned vehicles, and the resulting power loss from exposure to those temperatures. However, the AirMax kit performed beautifully in these same conditions with the tuning still installed, posting power and torque figures within +\/- 3%, from the first to last dynamometer run. This can be attributed to the AirMax kit’s increased airflow capability\/improved airflow dynamics as well as the conductive heat resistance of the Carbon Fiber AirMax components (which has significantly better thermal conduction properties, vs. the OE reinforced plastic material).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn11.bigcommerce.com\/s-6xzgqmdvx9\/images\/stencil\/original\/image-manager\/power-graph-website-1726475231743.png?t=1726475232\" alt=\"Power graph\" width=\"933\" height=\"321\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn11.bigcommerce.com\/s-6xzgqmdvx9\/images\/stencil\/original\/image-manager\/torque-graph-website.png?t=1726475315\" alt=\"Torque graph\" width=\"933\" height=\"346\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003eENGINE COVER\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: verdana, geneva, sans-serif;\"\u003e\u003ca title=\"Engine Cover available sperately.\" href=\"https:\/\/pipercross.com\/pipercross-g8x-m2-m3-m4-carbon-engine-cover\/?searchid=34717\u0026amp;search_query=pk445ec\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-GB\" class=\"TextRun SCXW217286242 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW217286242 BCX0\"\u003eCarbon Fiber Engine Cover (PK445EC) also available separately.\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/UcSP5hcE6F4?si=D2S6vLkRJCvxiNn-\" width=\"560\" height=\"315\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVehicle Specific\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2022-2025 BMW 2 Coupe (G42 G87)\u003c\/li\u003e\n\u003cli\u003e2020-2025 BMW 3 (G20, G80, G28)\u003c\/li\u003e\n\u003cli\u003e2021-2025 BMW 3 (G20, G80, G28)\u003c\/li\u003e\n\u003cli\u003e2022-2025 BMW 3 Touring (G21, G81)\u003c\/li\u003e\n\u003cli\u003e2024-2025 BMW 4 Convertible (G23, G83)\u003c\/li\u003e\n\u003cli\u003e2021-2024 BMW 4 Convertible (G23, G83)\u003c\/li\u003e\n\u003cli\u003e2020-2025 BMW 4 Coupe (G22, G82)\u003c\/li\u003e\n\u003cli\u003e2024-2025 BMW 4 Coupe (G22, G82)\u003c\/li\u003e\n\u003cli\u003e2021-2024 BMW 4 Coupe (G22, G82)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pipercross","offers":[{"title":"Default Title","offer_id":66132474757469,"sku":"PK445FULL","price":2350.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/7990\/7165\/files\/PK445_201.jpg?v=1791290111","url":"https:\/\/pipercross.us\/products\/pipercross-airmax-air-intake-system-pk445full","provider":"Pipercross Air Filters USA","version":"1.0","type":"link"}