ATM 3.5" Catback Exhaust | BMW 335/335IS/335XI



Part# ATM-CBE-E9X-335

Important Fitment Note:
Does not fit E93 (convertible) without modification
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Does not fit E93 convertible unless modified.


Looking for a high-quality, reasonably priced race exhaust for your 335i? How about one based on a legendary design, with more ground clearance and reduced rasp? ATM SpeedShop has you covered.

After over a year in development and several revisions, ATM now offers a high quality 3.5" race exhaust available for your 335. Hand-crafted, TIG-welded 304SS is at the core of our exhaust with guaranteed fitment on every unit we build.

From front to back we have designed this system to have every feature you've wanted.....Starting with our merge pipe, we've used twin flex-joints for proper movement and trouble-free fitment on all types and brands of downpipes. After the merge, the connection and resonator location on the 3.5" single run has been configured for maximum ground clearance, a must for this size exhaust on the 335. We've also used a combination of V-band connections and slip-joint connections where required for ultimate adjustability and clearance, including slip-joint connections on the tailpipes and tips so you are no longer limited to one tip configuration.

All of these features combined result in the best value and performance available in any 3.5" exhaust kit for your BMW.


  • Mandrel-bent TIG-welded 304 stainless construction
  • Designed for maximum ground clearance and full adjustability
  • 3-1/2" Polished Tips
  • Inline resonator helps curb drone
  • Utilizes stock mounting points
  • Includes all hardware, gaskets and clamps needed for installation
  • Fits the all-wheel drive Xi models as well!
  • **This is a Race Exhaust so expect the volume of a race exhaust**
  • COMING SOON-optional muffler inserts!


Brushed-finish 304ss

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm -

Does not fit E93 (convertible) without modification

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