Airtec Motorsport BMW B58 Catless Downpipe for M140i, M240i, 340i, 440i, 540i & More
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Airtec Motorsport BMW B58 Catless Downpipe is a direct replacement for the restrictive OEM downpipe with catalytic convertor.
Airtec's B58 Catless downpipe reduces back pressure, resulting in faster response, increased power and a more aggressive exhaust note. Supplied with an adaptor to marry up to the original exhaust system, it also fits aftermarket systems, making it the a perfect solution to replace the OEM downpipe.
Please note: This product is NOT suitable for road use as it does not comply with UK emission standards. For use on track ONLY.
All in stock products ship the same day if ordered before 2pm GMT
For out of stock items we will contact you with an estimated wait time if not otherwise specified above.
We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy
All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.