{"product_id":"dinan-free-flow-axle-back-exhaust-2012-2016-bmw-328i-428i-stainless-steel-black-tips-f30-f31-f32-f33","title":"Dinan Free Flow Axle-Back Exhaust - 2012-2016 BMW 328i\/428i Stainless Steel - Black Tips - F30\/F31\/F32\/F33","description":"\u003cp\u003eStainless Steel - Black Tips - F30\/F31\/F32\/F33\u003c\/p\u003e\n\u003cp\u003eDinan engineers designed the BMW 328i\/428i exhaust to improve exhaust flow by reducing back pressure. resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Like all Dinan exhausts our 328i\/428i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. \u003c\/p\u003e\n\u003cp\u003eThe system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16-gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 70 mm ceramic black or polished and laser engraved exhaust tips for a tasteful high-performance look that yields a maximum performance gain of 4 horsepower and 3 ft-lbs of torque.\u003c\/p\u003e\n\u003cp\u003eThe factory computer-controlled exhaust valve is eliminated.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 4 HP @ 6600 RPM, + 3 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eTwin 70mm (2.75\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HS Tuning","offers":[{"title":"Default Title","offer_id":45935114518588,"sku":"D660-0046-BLK","price":1199.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/27cdb67b45a6d41a13e211da3efb30840e3440bc.jpg?v=1785349026","url":"https:\/\/rpm-racing.com\/products\/dinan-free-flow-axle-back-exhaust-2012-2016-bmw-328i-428i-stainless-steel-black-tips-f30-f31-f32-f33","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}