{"product_id":"034motorsport-audi-b9-a4-a5-2-0-tfsi-stainless-steel-downpipe-with-racing-catalyst-034-105-4043","title":"034Motorsport Audi B9 A4\/A5 2.0 TFSI Stainless Steel Downpipe with Racing Catalyst - 034-105-4043.","description":"\u003ch2\u003e034 Motorsport - Audi B9 A4\/A5 2.0 TFSI Stainless Steel Downpipe with Racing Catalyst - 034-105-4043.\u003c\/h2\u003e\n\u003cp\u003e034 Motorsport is proud to introduce the all-new \u003cstrong\u003eCast Stainless Steel Downpipe with Racing Catalyst\u003c\/strong\u003e for B9 Audi A4\/A5 \u0026amp; Allroad models equipped with the longitudinal 2.0 TFSI engine! Designed as a drop-in replacement for the restrictive factory catalytic converter, the Cast Stainless Steel Racing Catalyst offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and an enhanced exhaust note. This upgrade eliminates the primary flow limitation in the factory exhaust system, allowing you to maximize the potential of your turbocharged engine.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/1473\/files\/audiA4b9performanceparts_480x480.jpg?v=1692849016\"\u003e\u003c\/p\u003e\n\u003cp\u003eOptimized for increased flow and maximum performance, the Cast Stainless Steel Racing Catalyst features organic geometry and a massive 135mm diameter Euro 3 racing catalytic converter in the factory location. This complete drop-in solution includes an integrated 4-bolt flange at the turbine outlet, integrated oxygen sensor bung after the catalyst, integrated 3-bolt downpipe flange, and a complete gasket\/hardware kit to allow for precise fitment and ease of installation. The Cast Stainless Steel Racing Catalyst for B9 Audi A4\/A5 \u0026amp; Allroad is constructed from 304 stainless steel and TIG-welded for maximum durability and corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e034Motorsport's Cast Stainless Steel Racing Catalyst was developed entirely in-house on\u003cspan\u003e \u003c\/span\u003e034Motorsport's Development B9 Audi A4\u003cspan\u003e \u003c\/span\u003eutilizing the latest in 3D Scanning Technology, CAD Software, and Rapid Prototyping Techniques. Final production units were then tested extensively on multiple enthusiast-owned B9 Audi A4\/A5, and Allroad vehicles before release.\u003c\/p\u003e\n\u003cdiv class=\"col2-set\"\u003e\n\u003cdiv class=\"col-1\"\u003e\n\u003ch3\u003eCAST RACING CATALYST FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIncreased Horsepower \u0026amp; Torque Throughout the Powerband (+ 22 HP \/ + 22 TQ Peak)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eQuicker Turbocharger Spool \u0026amp; Faster Transient Response (100-200 RPM Quicker Spool)\u003c\/li\u003e\n\u003cli\u003eEnhanced Exhaust Note \u0026amp; Turbocharger Sounds\u003c\/li\u003e\n\u003cli\u003eDirect, Bolt-In Upgrade for Factory Catalytic Converter\u003c\/li\u003e\n\u003cli\u003eEngineered In-House by 034Motorsport's Engineering Team\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFactory-Location 135mm Euro 3 Racing Catalytic Converter (200 CPI)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e304 Stainless Steel Construction with Integrated Inlet\/Outlet Flanges \u0026amp; O2 Sensor Bung\u003c\/li\u003e\n\u003cli\u003ePrecision CNC-Machined Flange Mating Surfaces\u003c\/li\u003e\n\u003cli\u003eTIG Welded \u0026amp; Backpurged with Sand-Blasted Titanium-Look Finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"034Motorsport Cast Stainless Steel High-Flow Racing Catalyst (HFC) for B9 Audi A4\/A5 \u0026amp; Allroad 2.0 TFSI\" src=\"https:\/\/store.034motorsport.com\/images\/b9-audi-a4-a5-20-tfsi-high-flow-catalytic-coverter-hfc-360-render.gif\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-set\"\u003e\n\u003cdiv class=\"col-1\"\u003e\n\u003ch3\u003e\n\u003cbr\u003eWHAT'S INCLUDED\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e034Motorsport Cast Stainless Steel Performance Downpipe\u003c\/li\u003e\n\u003cli\u003eIntegrated Euro 3 Racing Catalytic Converter\u003c\/li\u003e\n\u003cli\u003eFactory Turbocharger Outlet Gasket\u003c\/li\u003e\n\u003cli\u003eFactory Catalyst to Downpipe Gasket\u003c\/li\u003e\n\u003cli\u003eM10 Locknuts (4)\u003c\/li\u003e\n\u003cli\u003eM8 Locknuts (3)\u003c\/li\u003e\n\u003cli\u003eM8x30 Studs (3)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/store.034motorsport.com\/docs\/b9-audi-a4-a5-allroad-20-tfsi-high-flow-racing-catalyst-install-guide-downpipe-034-105-4043.pdf\" title=\"B9 Audi A4\/A5 2.0 TFSI Cast Racing Catalyst Installation Guide\"\u003eInstallation Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ccenter\u003e\n\u003ch3 style=\"text-align: right;\"\u003e034 MOTORSPORT B9 AUDI 2.0 TFSI RACE CATALYST PERFORMANCE \u003c\/h3\u003e\n\u003c\/center\u003e\n\u003ctable class=\"tuning-application-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth\u003eFACTORY CATALYST\u003c\/th\u003e\n\u003cth\u003e034 RACE CATALYST \u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Horsepower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e280 HP\u003c\/td\u003e\n\u003ctd\u003e300 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e309 FT-LBS\u003c\/td\u003e\n\u003ctd\u003e322 FT-LBS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak HP Gains vs. Factory Catalyst\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e22 HP @ 5,650 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak TQ Gains vs. Factory Catalyst\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e22 FT-LBS @ 2,850 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"col2-set\"\u003e\n\u003cdiv class=\"col-1\"\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\n\u003cbr\u003eFACTORY CATALYST VS. 034 RACE CATALYST - 95 OCTANE\u003cbr\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ccenter\u003e\u003cimg alt=\"\" src=\"https:\/\/store.034motorsport.com\/images\/b9-audi-a4-a5-20-tfsi-cast-racing-catalyst-dyno-chp.png\"\u003e\u003c\/center\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-2\"\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\n\u003cbr\u003e034 RACE CATALYST POWER GAINS - 95 OCTANE\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\u003cimg alt=\"\" src=\"https:\/\/store.034motorsport.com\/images\/b9-audi-a4-a5-20-tfsi-cast-racing-catalyst-dyno-chp-gains.png\"\u003e\u003c\/center\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-1\"\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: left;\"\u003eSUPPORTED VEHICLES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2017 - Present Audi A4 (B9)\n\u003cul\u003e\n\u003cli\u003e2.0 TFSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e2017 - Present Audi Allroad (B9)\n\u003cul\u003e\n\u003cli\u003e2.0 TFSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e2018 - Present Audi A5 (B9)\n\u003cul\u003e\n\u003cli\u003e2.0 TFSI\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis racing catalyst requires a Stage 2 ECU remap to eliminate any check engine lights due to removal of the factory catalyst.\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eNOTE: Will not fit vehicles with gas particulate filters (GPFs)\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-2\"\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"034Motorsport","offers":[{"title":"Default Title","offer_id":44809802252333,"sku":"034-105-4043","price":1544.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/6495\/8253\/files\/034-CAST-STAINLESS-STEEL-RACING-CATALYST-AUDI-B9-A4A5-20-TFSI-034-105-4043.jpg?v=1775627232","url":"https:\/\/www.carbonautohaus.com.au\/products\/034motorsport-audi-b9-a4-a5-2-0-tfsi-stainless-steel-downpipe-with-racing-catalyst-034-105-4043","provider":"Carbon Autohaus","version":"1.0","type":"link"}