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. Polished Finish! Now included with every purchase - Riss Racing 2.5" downpipe gaskets!

* Highest Grade Full 304-Polished Stainless Steel
* TIG Welded throughout the entire system!
* Straight flow, Mandrel Bent, 3” taper to 2.75" to 2.5" piping
* Reduced back-pressure for increased top-end performance
* Enhanced aggressive high-RPM sound
* 100% Direct Bolt-On & utilizes stock V-Band Flange/clamp
* Responsibly researched, developed, and engineered
* Riss Racing 2.5" Bullet Proof Gaskets with every order
* FIVE (5) YEAR MANUFACTURER’S WARRANTY

Fits all BMW 2007+ 135i/335i/xi