ZZP Resonator for Grand Prix Catback
I originally ordered the 3" resonator. After seeing it up close I wondered," What was I thinking?" It was a breeze to return it and order the 2 1/2 " resonator. My car already has a SLP cat back system so this resonator was a simple installation. When I started my car the difference was noticeable immediately. I love the sound of my exhaust because it is not too loud and annoying while driving. This resonator is very quiet. It is exactly what I wanted.
This really tones down the exhaust quite a bit. Very well made. I have zero complaints on it. Thanks ZZP
This product is a high quality item at reasonable price. I would recommend it to anyone needing their resonator replaced.
This resonator does an excellent job of reducing drone during cruising. My car has ZZP headers and downpipe, with an SLP catback and it sounds great, but the drone on the highway was quite noticeable and annoying. I added this resonator and it completely killed the drone, while only minimally reducing the volume at idle and heavy throttle. I would definitely recommend this to anyone looking for a resonator for their 3800 vehicle.