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3" Regal Catback Exhaust

Exhaust - 3" Regal Catback Exhaust
Exhaust - 3" Regal Catback Exhaust

This is a single 3" cat back that uses our ZZP resonator and muffler that exit in the factory location. It is entirely constructed of stainless steel so it will virtually last forever.

Special note:

This is a true 3" catback, so it will not bolt up to the factory 2 3/8" outlet downpipe, you will need a 3" exit flange downpipe. We sell a downpipe that will bolt directly to this catback. Please make sure to select 3" exit flange.

Exhaust - 3" Regal Catback Exhaust
Exhaust - 3" Regal Catback Exhaust
Customer Reviews
5.0 Based on 10 Reviews
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  • squat
  • 2Krpms
  • music
  • gift
  • hell
  • rear
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Michael D.
United States United States
Grab some earplugs...

What an exhaust! Honestly it's loud as **** so if that's what you want then man this is for you. For me personally I love music and really getting every bit of it so the exhaust sometimes interferes espesially when driving and the engine is running at about 2Krpms it's deafening lol. Otherwise looks sick, sounds sick, feels a bit better as far as power but it's hard to really tell with all that squat in the rear when accelerating.

Floyd B.
United States United States
Buick regal gs exhaust

It's a gift for my son,he loves the sound and pulls all the way to redline overall good product.

Kirstin G.
United States United States
Worth it

It was absolutely worth it. It is such a high quality and welds look amazing. It also sounds super good and was quick and easy to install.

Vito B.
United States United States
Great Exhaust

Great exhaust system, bolted right up as designed. Good fit not perfect but no complaints. Good exhaust note with slight drone, but once again no complaints. I love ZZP and have used them for years, when I need a part for a w-body this is my first stop.

Thomas G.
Excellent quality

Easy install, band clamps are so much better than "U" clamps. Nice deep sound, the car breaths so much better, an easy 20+ HP gain at mid rpm range, top end is much better. Have already taken a couple of "sports cars" to the wood shed, gotta love it.