{"title":"BMW 328i F31 Exhaust \u0026 Downpipes","description":null,"products":[{"product_id":"active-autowerke-bmw-n20-f3x-228i-328i-428i-gesi-catted-downpipe","title":"Active Autowerke GESI Catted Downpipe – BMW 228i \/ 328i \/ 428i (N20, F2x \/ F3x)","description":"\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eBMW introduced a new Valvetronic, single-turbo version of its direct-injection engine for the F-chassis models beginning in 2012, and the restrictive factory downpipe holds much of that potential back — slowing exhaust flow and, with it, turbo spool. The Active Autowerke F-chassis N20 Signature downpipe for the 228i, 328i and 428i uses 3.5 inch stainless steel piping designed to be as unrestrictive as possible, for more power, quicker spool and extreme durability. This variant carries a 4 inch ultra high flow GESi G-Sport Ultra High Output catalytic converter whose proprietary precious metal loading keeps emissions low while maintaining high flow, so power is maximized without check engine lights or failed emissions tests.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3.50 inch diameter piping\u003c\/li\u003e\n\u003cli\u003e4 inch ultra high flow GESi G-Sport catalytic converter, 400 cells per square inch\u003c\/li\u003e\n\u003cli\u003eRated for 350 to 500 hp applications\u003c\/li\u003e\n\u003cli\u003eTIG welded, full 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003e304 stainless steel catalyst substrate, furnace brazed to the mantle for durability\u003c\/li\u003e\n\u003cli\u003eModular design for later upgrades\u003c\/li\u003e\n\u003cli\u003eWithstands temperatures up to 1500 F\u003c\/li\u003e\n\u003cli\u003eReaches operational efficiency within 9 seconds of startup\u003c\/li\u003e\n\u003cli\u003eEPA registered, fully OBD2 compliant for 1996 and newer vehicles, except in California\u003c\/li\u003e\n\u003cli\u003eSuited to forced induction applications with no loss of horsepower\u003c\/li\u003e\n\u003cli\u003eBolts on with no cutting or welding required\u003c\/li\u003e\n\u003cli\u003eMade in Miami, Florida\u003c\/li\u003e\n\u003cli\u003eWarranty: 5 years \/ 50,000 miles on the shell and tube ends; 2 years \/ 25,000 miles on the catalytic core; original purchaser only; void if the car has louder-than-stock (excessive) burble\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eActive Autowerke N20 Signature catted downpipe (catted downpipe only) — 3.5 inch 304 stainless piping with 4 inch GESi G-Sport catalytic converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNone.\u003c\/strong\u003e Active Autowerke specifies no additional hardware for this downpipe; it bolts on with no cutting or welding required, and no performance tune is needed.\u003c\/li\u003e\n\u003cli\u003eInstaller supplies basic hand tools and a lift or jack stands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/active-autowerke-catalytic-converter-break-in-instructions.pdf?v=1787172533\"\u003eActive Autowerke catalytic converter break-in instructions (PDF)\u003c\/a\u003e — follow this procedure on first start-up to avoid a check engine light being set in error\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/community\/contact?service=Parts+Install\"\u003eRequest an Install Appointment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlease note:\u003c\/strong\u003e These catalytic converters are not legal for use on vehicles registered in the state of California as a result of California Vehicle Code Sections 27156 and 38391.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Federal law prohibits the tampering of an emissions control device. Mobile Source Enforcement Memorandum 1A allows for aftermarket parts to be used in the repair or replacement of emissions control systems, provided the emissions aren't adversely affected. There is no mention or reference to cell density or converter volume dimension. The GESi catalytic converter will produce emissions that meet the standards set by the EPA, not CARB.\u003c\/li\u003e\n\u003cli\u003eImportant: this downpipe fits N20 cars only. It will not fit the N26 (SULEV \/ California-emissions) version of the same engine — check your engine code before ordering. These cars were built with either the N20 or the N26, so Active Autowerke asks that you supply your VIN so the correct engine can be verified. Fitment applies to US-model cars only. Confirm fitment with \u003ca href=\"\/pages\/contact-us\"\u003eSpeed Logic\u003c\/a\u003e before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003e11-079 KIT\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e228i\u003c\/td\u003e\n\u003ctd\u003eF22\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e228i\u003c\/td\u003e\n\u003ctd\u003eF23\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2015–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e328i\u003c\/td\u003e\n\u003ctd\u003eF30\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e328i xDrive Sports Wagon\u003c\/td\u003e\n\u003ctd\u003eF31\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e328i xDrive Gran Turismo\u003c\/td\u003e\n\u003ctd\u003eF34\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e428i\u003c\/td\u003e\n\u003ctd\u003eF32 \/ F33\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e428i Gran Coupe\u003c\/td\u003e\n\u003ctd\u003eF36\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2015–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":42114055340198,"sku":"11-079","price":1424.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/products\/N20cata_2048x_71e6abe9-429e-47da-b95f-3926b187bef8.jpg?v=1642709751"},{"product_id":"dinan-free-flow-axle-back-exhaust-2012-2016-bmw-328i-428i","title":"Dinan Free Flow Axle-Back Exhaust – BMW 328i \/ 428i (F30\/F32)","description":"\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eDinan engineered the 328i\/428i axle-back exhaust to improve flow by reducing back pressure, which increases power output and delivers a sporty tone that stays civilized when you want it to be and turns pleasantly aggressive under hard acceleration. Like every Dinan exhaust, it is designed to limit low-RPM drone so the cabin stays intimate rather than being drowned in an excessively loud tone.\u003c\/p\u003e\n\u003cp\u003eThe system is built for a straightforward bolt-on installation using the supplied mounting hardware and the factory brackets and hangers. It is made from 100% 16-gauge 304 stainless steel for long-term corrosion resistance and finished with twin 70mm (2.75 in.) laser engraved tips in polished stainless or black ceramic coating. Dinan records a maximum gain of 4 horsepower and 3 lb-ft of torque. The factory computer-controlled exhaust valve is eliminated with this system.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum gain of +4 HP @ 6600 RPM (Dinan measured)\u003c\/li\u003e\n\u003cli\u003eMaximum gain of +3 lb-ft of torque @ 6600 RPM (Dinan measured)\u003c\/li\u003e\n\u003cli\u003e100% 16-gauge 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eTwin 70mm (2.75 in.) laser engraved tips in polished stainless or black ceramic coating\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for factory-like fitment\u003c\/li\u003e\n\u003cli\u003eFactory computer-controlled exhaust valve is eliminated\u003c\/li\u003e\n\u003cli\u003eDinan published installation time: 1.3 hours\u003c\/li\u003e\n\u003cli\u003eEmissions status per Dinan: \"This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.\"\u003c\/li\u003e\n\u003cli\u003eDinan warranty: the remainder of the BMW new-car limited warranty (up to 4 years \/ 50,000 miles) or 2 years \/ unlimited mileage from purchase, whichever is greater; wear items, maintenance parts, improper installation and competition use are excluded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDinan high performance muffler assembly with twin 70mm tips\u003c\/li\u003e\n\u003cli\u003eBolt-on mounting hardware, including muffler hangers, rubber hangers, clamping bushings, lock nuts and washers as called out in the installation instructions\u003c\/li\u003e\n\u003cli\u003eComplete kit as supplied by Dinan; see the installation instructions for the full bill of materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNone.\u003c\/strong\u003e Dinan specifies no additional hardware for this part; mounting hardware is included.\u003c\/li\u003e\n\u003cli\u003eInstaller-supplied tools only. Dinan recommends a qualified BMW facility if you are unfamiliar with the procedure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/d660-0046-blk.pdf?v=1788302516\"\u003eDinan D660-0046 \/ D660-0046-BLK Free Flow Axle-Back Exhaust installation instructions (INS660-0046, Rev. 08\/04\/15)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eD660-0046-BLK\u003c\/strong\u003e – black ceramic coated tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e328i\u003c\/td\u003e\n\u003ctd\u003eF30\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e328i xDrive\u003c\/td\u003e\n\u003ctd\u003eF30\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2013–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e328i xDrive\u003c\/td\u003e\n\u003ctd\u003eF31\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e428i\u003c\/td\u003e\n\u003ctd\u003eF32\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e428i xDrive\u003c\/td\u003e\n\u003ctd\u003eF32\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e428i\u003c\/td\u003e\n\u003ctd\u003eF33\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e428i xDrive\u003c\/td\u003e\n\u003ctd\u003eF33\u003c\/td\u003e\n\u003ctd\u003eN20 2.0L Turbo I4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Dinan","offers":[{"title":"Black Ceramic Coated","offer_id":42760257798310,"sku":"D660-0046-BLK","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/products\/d660-0046-blk_1.jpg?v=1652488571"}],"url":"https:\/\/speedlogicauto.com\/collections\/bmw-328i-f31-exhaust.oembed","provider":"SPEED LOGIC","version":"1.0","type":"link"}