{"title":"BMW M135i F20 Downpipes","description":null,"products":[{"product_id":"evolution-racewerks-4-downpipe-2014-2016-bmw-m235i-m135i","title":"Evolution Racewerks 4\" Downpipe – BMW M135i \/ M235i (N55)","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe Evolution Racewerks Competition Series 4\" Catless Downpipe replaces the restrictive factory downpipe and catalytic converter on the N55 single-turbo six cylinder, covering the F30 335i, F32\/F33 435i and F20\/F21\/F22 M135i and M235i.\u003c\/p\u003e\n\u003cp\u003eThe factory catalytic converter is built from catalyst material formed into a honeycomb weave. Exhaust gas has to pass through those tiny passages on its way to the exhaust system, which creates a major flow restriction and causes turbulence downstream that slows exhaust flow further. Replacing the factory downpipe with the Competition Series 4\" catless unit removes that restriction, and Evolution Racewerks states the result is a higher maximum horsepower curve, a torque curve that arrives sooner and holds longer, better throttle response and faster turbo spool.\u003c\/p\u003e\n\u003cp\u003eThe downpipe is mandrel bent for a smooth transition into the exhaust system and is fully TIG welded in house by Evolution Racewerks for consistent weld quality and track-tested durability.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompetition Series 4\" catless downpipe\u003c\/li\u003e\n\u003cli\u003eMandrel bent 4\" piping for a smooth transition to the exhaust system\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003e100% TIG welded\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machined turbocharger V-band flange\u003c\/li\u003e\n\u003cli\u003eStandard finish: brush; optional mirror polish finish\u003c\/li\u003e\n\u003cli\u003eOptional high temperature black thermal ceramic coating to reduce underhood temperatures (rated to 2000°F)\u003c\/li\u003e\n\u003cli\u003eOptional additional O2 sensor bung for wideband O2 sensors, supplied with a pre-installed plug\u003c\/li\u003e\n\u003cli\u003eOptional EGT sensor bung for EGT gauges, supplied with a pre-installed plug\u003c\/li\u003e\n\u003cli\u003eCompatible with the factory or aftermarket exhaust systems\u003c\/li\u003e\n\u003cli\u003eTwo build-date versions: 2012 to 08\/2013 pneumatic wastegate, and 09\/2013 to 2015 electronic wastegate\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWarranty: Evolution Racewerks Limited Lifetime Warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompetition Series 4\" catless downpipe\u003c\/li\u003e\n\u003cli\u003eAll hardware required for complete installation\u003c\/li\u003e\n\u003cli\u003eOptional sensor bungs come with pre-installed plugs where that option is selected\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 Evolution Racewerks specifies no additional hardware for this part.\u003c\/li\u003e\n\u003cli\u003eConfirm your turbocharger wastegate type (pneumatic or electronic) before ordering, as Evolution Racewerks builds a separate version for each.\u003c\/li\u003e\n\u003cli\u003eA Vehicle Compliance Waiver must be signed by California residents before this part can ship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEvolution Racewerks rates installation difficulty at 2 out of 5 (1 easy, 5 hard).\u003c\/li\u003e\n\u003cli\u003eEvolution Racewerks does not publish a downloadable installation guide for this part. Contact Evolution Racewerks technical support or Speed Logic for fitting guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHICLES IN THE STATE OF CALIFORNIA. CAUTION:\u003c\/strong\u003e This product is intended for \u003cstrong\u003eOFF ROAD COMPETITION USE ONLY\u003c\/strong\u003e. Not legal for use on pollution controlled vehicles upon public road\/highways. \u003cstrong\u003eTHIS PRODUCT IS FOR SALE FOR ALL 49 STATES EXCLUDING CALIFORNIA.\u003c\/strong\u003e \u003cstrong\u003eIn addition to vehicle use verification, a Vehicle Compliance Waiver needs to be signed.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe item is for sale for international customers without restriction.\u003c\/li\u003e\n\u003cli\u003eFinish, coating and sensor-bung options change the suffix on the base part number. Confirm fitment and build date with Speed Logic before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eBM-EXH007S\u003c\/strong\u003e — Competition Series 4\" Catless Downpipe, N55 (6 cylinder) engine\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\u003e335i\u003c\/td\u003e\n\u003ctd\u003eF30\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2012–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e435i\u003c\/td\u003e\n\u003ctd\u003eF32 \/ F33\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2013–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM135i\u003c\/td\u003e\n\u003ctd\u003eF20 \/ F21\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2012–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM235i\u003c\/td\u003e\n\u003ctd\u003eF20 \/ F21\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2012–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Evolution Racewerks","offers":[{"title":"Catless \/ Brushed \/ 3.5\" - 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