Brake Kits - Performance Blank – EuroPartShop

BMR 08-09 Pontiac G8 Brake Conversion Kit - Black

$1,229.95
BMRDBK350
BMR Suspension Brake Kits - Performance Blank Brake Master Cylinder Brakes, Rotors & Pads Commerceinstruments Best Selling Products Instock
BMR 08-09 Pontiac G8 Brake Conversion Kit - Black

BMR 14-17 Chevrolet SS Brake Kit For 15in Conversion Solid Rotors Red Calipers

$1,229.95
BMRDBK351
BMR Suspension Brake Kits - Performance Blank Brakes, Rotors & Pads Commerceinstruments Best Selling Products Instock
BMR 14-17 Chevrolet SS Brake Kit For 15in Conversion Solid Rotors Red Calipers

Catalytic Converters for BMW & Audi

Catalytic converters are the heart of your emissions system — and on European vehicles, they're precision components that need correct fitment to avoid CEL codes, failed smog tests, and performance issues. Whether you're replacing a failed OEM unit or upgrading to a high-flow cat for a tuned build, correct substrate cell density and flange fitment are critical.

OEM Replacement vs High-Flow

  • OEM-spec direct replacement: Same cell density (400–600 cpsi) as factory. Passes emissions testing, no tune required. Use this for a failed or stolen catalytic converter on a street car.
  • High-flow catalytic converters: Lower cell density (200–300 cpsi) reduces restriction. More exhaust flow = more power. Requires ECU tune to prevent CEL. Check your local emissions laws — not legal in all states.
  • Race pipes / test pipes: Remove the cat entirely. Emissions-illegal. For track-only or off-road vehicles.

Fitment Critical Points

BMW and Audi cats are specific to chassis, engine code, and sometimes production date. Front O2 sensor bungs must match your sensor thread pitch. Flange design varies between pre/post-2006 builds. Always verify engine code before ordering.

Brands

Bosal · Magnaflow · Random Technology · GESI · AWE (high-flow downpipe cats) · OEM Bosch. All listed with engine code and chassis cross-reference.

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