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Product Description

The USP Motorsports high flow cat pipe bolts directly to the OEM naturally aspirated headers and features new downpipes. This pipe increases torque and horsepower through the mid and high range of the powerband by eliminating the very restrictive factory pipe which holds the catalytic converters.


- Peak Gains of 16 hp and 9 ft/lbs of torque at the wheels
- Gains up to 21 hp and 19 ft/lbs of torque at the wheels throughout the RPM range

- High quality stainless steel, mandrel bent
- Twin 2" pipes merged into single 2.5" pipe
- Smooth transition of twin pipes for free flowing exhaust pulses
- Replaces factory catalytic converters with high flow converters
- 10lbs. Lighter than factory

USP High Flow Catalytic Converters For MK5 R32 and A3 3.2L

SKU: 2889