HFE BMW M4 F82 S55 Decat Downpipes 3" – Performance Exhaust Upgrade
The HFE S55 3" Decat Downpipes replace the factory catalytic converters to reduce exhaust backpressure and improve turbo efficiency, enhancing performance and throttle response.
- The description claims these downpipes reduce exhaust backpressure and improve turbo efficiency.
- The description claims these downpipes enhance performance and throttle response.
Variants (1)
- Default Title — 375.00 USD — In stock
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