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ZZP ATS 3 Inch Stainless Steel Catback Exhaust

Introducing the much anticipated ZZP 3” catback exhaust system for your 2013+ Cadillac ATS 2.0.


  • Full stainless steel construction
  • TIG welded
  • Mandrel bent
  • Brushed finish muffler and piping
  • Polished 4” tips
  • Utilizes all factory hangers, in factory locations
  • Includes all required clamps and gasket
  • Direct bolt in when using a stock, or ZZP downpipe. May require different hardware depending on year/sub-model. 

Fits 2013+ ATS 2.0 SEDAN ONLY. Fits manual, and auto trans. RWD and AWD.

Comparison video for reference:

Customer Reviews
4.7 Based on 7 Reviews
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sean w.
United States United States
Incredible sound improvement

Easy install - very nice sound - nice fit - everyone loves the sound, deep, throaty exhaust sound. Installed radiator, inter cooler, larger throttle body with spacer, scan gauge at same time all easy to install great fit finish very pleased!

Beth W.
United States United States
Worth the Wait

I had my eyes on this exhaust since I purchased my car a year ago. I waited for the black friday sale and finally caved in a purchased it. The sound is outstanding, it has a nice depth and really emphasizes the turbo sounds. Nice quality exhaust that provides less restrictions. Thank you once again ZZP!

Derick F.
United States United States
Best Cat-Back Bolt on Exhaust on the market for Cadillac ATS

Every time i receive a package from ZZP, I am blown away by the craftsmanship. But man, the Cat-Back Exhaust for Cadillac ATS was so sexy coming out of the box. Super high quality and superb craftsmanship can been seen all over in this product and especially the welds. Best exhaustaust on the market for the ATS in my opinion and well below the price of their competitors, almost half the price of some I have seen. Very good sound on acceleration and quiet cruising down the highway. Very important for the Cadillac as you want it to sound strong but still classy. For those that are saying it rattles on the support bar, that is because you need to remove the support bar, you are increasing the diameter of your exhaust and the support bar will no longer fit but is also not needed. I also love the look of the tailpipes, they are a bit bigger and look great coming out the back of the ats. Could not be happier, if you are on the fence, this review should push you over. DO IT, you will not be dissapointed!

United States United States
Great exhaust

Very good sound on acceleration and quiet cruising down the highway. I have one problem thought where it rattles on the middle pipe on the support bar and it is very noticeable and obnoxious, would be five star if it didn’t rattle.

Chris C.
United States United States
3” cat back exhaust

It sounds smooth on my 2015 ATS, not exactly loud until you buy the down pipe but it’s definitely better than stock