{"product_id":"perrin-gr86-brz-axle-back-exhaust-ss-single-side-exit-w-helmholtz-chamber","title":"PERRIN GR86 \/ BRZ Axle Back Exhaust SS (Single Side Exit w\/Helmholtz Chamber)","description":"\u003cp\u003eDesigned specifically for the GR86, this product provides an OEM-plus fit with platform-focused engineering. It is well suited for enthusiasts looking to enhance performance, reliability, or appearance while maintaining proper fitment and drivability. Browse additional GR86 parts in our \u003ca href=\"\/collections\/gr86\"\u003eGR86 collection\u003c\/a\u003e.\u003c\/p\u003e\u003ch4 style=\"text-align: center;\"\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eAdd a sporty sound with the PERRIN Axle Back Exhaust for 2022-2025 BRZ\/GR86. Featuring an all stainless-steel design and a 4.5” slash cut tip for added performance and good looks.\u003c\/p\u003e\n\u003chr class=\"mx-auto w-100\"\u003e\n\u003ch4\u003eSound\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOur resonated system is designed to have a mellow, pleasing rumble at lower RPMs and light throttle. When driving vigorously, the system transitions into an aggressive tone that every sporty car needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe height=\"377\" src=\"https:\/\/www.youtube.com\/embed\/8Nu4iCGNj80\" title=\"2022 BRZ PERRIN Axle Back Exhaust VS OEM\" width=\"503\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch4\u003eNo Drone Zone\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe PERRIN exhaust features a frequency-reducing Helmholtz resonator to combat the naturally occurring resonance the GR86\/BRZ exhaust produces. This unique, engineered chamber, reduces the low RPM droning and booming without adding any restriction to exhaust gas flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"No Drone Zone\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/perrinperformance\/perrin.com\/products\/_productSlide\/PSP-EXT-368BR_08.jpg\"\u003e\u003c\/p\u003e\n\u003ch4\u003eSingle Slash-Cut Tip\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe PERRIN Axle Back Exhaust features a single oversized 4.5\" slash-cut exhaust tip that fills the bumper cutout and adds a purposeful, race car look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Single Slash-Cut Tip\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/perrinperformance\/perrin.com\/products\/_productSlide\/PSP-EXT-368BR-09.jpg\"\u003e\u003c\/p\u003e\n\u003ch4\u003eCutout Plate\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAdd a PERRIN Exhaust Cutout Plate to conceal the rear bumper exhaust outlet to provide a smooth and uninterrupted aesthetic when installing the single outlet exhaust system. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Add An Exhaust Cutout Plate\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/perrinperformance\/perrin.com\/products\/_productSlide\/PSP-BDY-604R-04.jpg\"\u003e\u003c\/p\u003e\n\u003ch4\u003eConstruction \u0026amp; Finish\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePERRIN exhaust systems are made entirely of 304 stainless steel. Other manufacturers may use cheaper 409 stainless steel which will rust and corrode over time. Our brushed 304 stainless steel has the best corrosion resistance and appearance after use.\u003c\/li\u003e\n\u003cli\u003eThe PERRIN Exhaust systems come with a brushed stainless steel finish featuring TIG welding for precise, clean welds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Finish\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/perrinperformance\/perrin.com\/products\/_productSlide\/PSP-EXT-368BR_14.jpg\"\u003e\u003c\/p\u003e\n\u003ch4\u003ePower\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThis test was done on a 2022 BRZ running a stock ECU tune. After swapping out the rear exhaust section, we put the car back on the dyno and found an additional 3-4 WHP and 3-4 ft-lbs. of torque.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"mx-auto w-100\"\u003e\n\u003ch4\u003eSpecs\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 Stainless Steel\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Brushed Stainless Steel\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Size:\u003c\/strong\u003e 4.5\" Diameter\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.7 lbs (11.7 lbs lighter than OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"mx-auto w-100\"\u003e\n\u003ch4\u003eIncluded\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(1) PERRIN Axleback Exhaust\u003c\/li\u003e\n\u003cli\u003eAll hardware for installation\u003c\/li\u003e\n\u003cli\u003eWarranty \u0026amp; Instructions\u003c\/li\u003e\n\u003cli\u003eOptional Cutout plate if option selected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"mx-auto w-100\"\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2022+ GR86\/BRZ\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Perrin","offers":[{"title":"No","offer_id":47601631297636,"sku":"perPSP-EXT-368BR","price":446.25,"currency_code":"USD","in_stock":true},{"title":"YES (+ $57.80 )","offer_id":47601631330404,"sku":"perPSP-EXT-368BR, perPSP-BDY-604R","price":504.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/8413\/6804\/files\/PERRIN_GR86___BRZ_Axle_Back_Exhaust_SS1.png?v=1766906274","url":"https:\/\/4thto5thautomotive.com\/products\/perrin-gr86-brz-axle-back-exhaust-ss-single-side-exit-w-helmholtz-chamber","provider":"4thto5thAutomotive","version":"1.0","type":"link"}