Valved Cat Back Exhaust System – BMW 1 Series F20 F21 M140i 2016-2019

Gravity Performance exhaust systems are designed and manufactured to enhance the sound, appearance and most importantly, the performance of your vehicle. All systems are designed in house using the OEM mounting points to ensure smooth fitment every time. Manufactured from highest quality T304 grade stainless steel Replaces everything from the catalytic converter backwards 3″ Diameter to maximise flow and power gains Built in valve so the desired volume is in your hands Designed to improve power and torque across the entire RPM range