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The ONE and ONLY 3" high flow Catted Downpipes for the 135i/335i N54! Enjoy the luxuries of hearing your turbos spool to REDLINE! The sound alone is intoxicating, but it gets better! Power output from our Catted downpipes will boost your vehicle to an amazing 325HP and 335TQ! Also constructed of 100% TOP GRADE 304 Stainless Steel, our downpipes come with a 5 year, Unlimited Mile Warranty. Available in Polished or Black Stealth Ceramic Coating!
Gains:
-25whp and 40wtq on a stock car
-up to 60whp and 70wtq on a tuned car
Also available in a Ceramic Coated Version!
Tested at 2200 degrees for 14 hours straight. Power gains increase approximately 3% on average with this thermal coating. Authentic ceramic coating, not spray can coating that will scrape off!
Need an Installer? The Tire Rack's List of Recommended Installers are a great installation option. You can drop-ship to their location, too!   |
BMW 
