The COBB Tuning Turbo-Back exhaust for your 1-Series BMW. Bolt-on installation of these components offers excellent power gains, outstanding build quality and an impressive exhaust note. The Turbo-Back includes: COBB 3" SS Downpipe, COBB 3" SS Cat-Back Exhaust

The COBB BMW 1-Series Turbo-Back Exhaust combines COBB's N54 Downpipe with COBB's 1-series Cat-Back to bring unrivaled performance. Designed to fit your 2008-2010 135i Coupe. The exhaust is fed through a 200 cell high flow catalytic converter to a single 3" pipe and muffler to exit your vehicle. Unmatched in performance, OEM fitment, innovative engineering and outstanding craftsmanship. Buy a COBB BMW 1-series turbo-back exhaust for your car today!

• 3" 304 Stainless Steel Construction
• Helmholtz Chamber to Reduce Resonance
• 200 Cell High Flow Catalytic Converter
• V-Band Clamp Connections for Infinite Adjustability
• Dual 3.5" Slash Cut Tips

COBB Installation Guides & Manuals

 COBB BMW N54 5B2301 Exhaust Installation Instructions