Spool 5-Inch Stainless-Steel Race Downpipe – BMW B58

Spool B58 5-inch Stainless-Steel Race Downpipe uses a large 5-inch primary section and 2 mm 304-stainless construction to reduce exhaust restriction on high-output B58 combinations.

• 5-inch design
• 304-grade stainless steel with 2 mm wall construction
• Large flexible section for easier exhaust alignment
• Supplier lifetime warranty

Fitment: BMW B58 Gen 1 and Gen 2 2-port/6-port applications listed by Spool.

Road-use notice: this is a race/off-road exhaust component. The purchaser is responsible for compliance with local emissions and road-use requirements.

Dispatch: Special order — allow 2–3 weeks.

Product System

• Exhaust
• Turbo & Forced Induction

Vehicle Fitment

• BMW 1 Series F20 Lci B58
• BMW 1 Series F21 Lci B58
• BMW 2 Series F22 Lci B58
• BMW 2 Series F23 Lci B58
• BMW 2 Series M240I G42 B58
• BMW 3 Series F30 Lci B58
• BMW 3 Series F31 Lci B58
• BMW 340I M340I G20 G21 B58
• BMW 4 Series F32 Lci B58
• BMW 4 Series F33 Lci B58
• BMW 4 Series G22 B58
• BMW 4 Series G23 B58
• BMW 4 Series Gran Coupe F36 Lci B58
• BMW 4 Series Gran Coupe G26 B58
• BMW 5 Series G30 B58
• BMW X3 G01 B58
• BMW X4 G02 B58

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.

Supplier Part Number

SP-B58-DP-5

Built by Boost & Tune Support

BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.