B58 4.5” Catless Downpipe
Upgrade to a 4.5 inch catless BMW / Toyota Supra B58 downpipe to eliminate the backpressure caused by your stock catalytic converters. By upgrading to this downpipe, your turbo can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well.
Expect up to a 30HP increase on a tuned BMW / Toyota Supra B58 with stock turbo, even more on cars with upgraded turbo.
Features:
- Compatible with right-hand drive and left-hand drive vehicles
- Smooth bends for maximum airflow without any drone
- Up to 30HP increase on the stock turbos, even more on upgraded turbos
- Spot on fitment
Fitment:
Gen 1 is 340i/240i/440i etc
Gen 2 is supra/ m340i/ m240i etc
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B58 4.5” Catless Downpipe
Sale price$399.99
Regular price