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ZZP Impala Catback Exhaust

Unlike mild steel systems like the Pacesetter, which has an expected life of 2 years in northern states, this exhaust system has been built constructed of stainless tubing and flanges. The ZZPerformance exhaust system will last virtually forever. With ZZP's exclusive whisper resonator and 3 chamber straight through mufflers, it's quiet and high flowing.

This will also fit 1997-2003 Pontiac Grand Prix's with the 3.8L engine. Works on all 3.8L engines-Both Supercharged and naturally aspirated.

All stainless system fully tig welded. Easy clamp in and bolt on installation with all required hangers. No welding needed. The 2 1/2" version bolts right up to your stock downpipe flange or standard aftermarket downpipes with 2.5" exit flange. The 3" version will require a downpipe with a 3" exit flange.

Very best system on the market for Grand Prix', Impalas, and Monte Carlo. Cheaper than the Magnaflow and higher quality. Magnaflow systems are mig welded and do not have chambered mufflers or resonator which means they are too loud. Engineering this part was years of research and evaluation to come up with the ultimate exhaust at a reasonable price. We are the leader in the 3800 Series II and Series III market and have the very best products period.

Designed for the 2000-2005 Impala, but only the dual exhaust models. May fit the pre 2000, or 2006+.

Customer Reviews
5.0 Based on 6 Reviews
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Jeffery Y.
United States United States

Love the product, great delivery, makes car sounds and run better

ZZPerformance ZZP Impala Catback Exhaust Review
Chance C.
United States United States
In love

I have completely fallen in love with this new exhaust! It pairs well with the whine of my supercharger!

Brendan K.
United States United States
Easy to Install & Sounds Great!

The 2.5-inch kit was as easy as it could get to install. Sounds great, not too loud under load, and pretty quiet at idle. The best deal I could find on a stainless system for my car and the construction of the kit was impressive.

United States United States
S pi unds great

A little short.... overall beautiful exhaust

Dave D.
Impala SS with 3 inch cat back w/ Dual tip mufflers

I can honestly say that I have never really liked how ANY of the "big-name" or "custom" muffler/cat back exhaust systems sound on any car with the L67 motor in it. Every video clip and even the cars I have seen in person ALL sound like raspy garbage (no offense) which is why I put off doing any exhaust work... until now! I have an 04 Impala SS with the 1.0 PCM, 3.5 Pulley, C.A.I, ZZP Coil Packs and 10.5mm wires. The exhaust was totally stock aside from the U-bend delete. The car ran great, but had up to 3.5 degrees of KR at WOT at times and it was too silent for how fast it was. I have now installed full headers and the 3 Inch Cat-Back system with the Dual Tip mufflers, And let me just say... WOW! This is by far THE BEST SOUNDING system that I have ever heard on any vehicle with this engine. It has none of the popping and raspyness heard on most systems. I can't really describe how it sounds but it is unlike anything else that I have heard and I LOVE IT! The best part, now I have 0.0 KR! The car definitely runs great and accelerates much more effortlessly now. I will try and upload some videos for some sound clips.