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Increased horsepower
more predictable cornering
or if you prefer
Hi Flow Sports Cat & GPF Bypass replaces the factory components to create a much more free-flowing and less restrictive exhaust system
Scorpion Exhaust Decat Downpipe For BMW F20 & F21 M135i Select Version:Before June 2013 (PWG) Increased horsepowerThe Scorpion Exhaust Decat Downpipe for the BMW F20 and F21 M135i is a high performance upgrade that removes the restrictive factory catalytic converter, freeing up exhaust gas flow for sharper throttle response, quicker turbo spool, and a significantly more aggressive exhaust note. Designed specifically for BMWs N55 powered M135i, this downpipe unlocks the full potential of the engine when paired with the correct ECU calibration. Manufactured in the