SLP?s F-Body cat-backs have always been the best-performing exhaust systems in the business. Now they?re the most versatile, too! Using our industry-exclusive modular design architecture, we?ve developed a line of systems that can be quickly reconfigured to fit changing performance, noise-level, and sound-quality requirements. Simply loosen a few band clamps, swap muffler types, retighten, and you?re done. No other exhaust offers this level of performance and adaptability!
Along with the included race muffler, the F-Body Loud Mouth II system is compatible with our original Loud Mouth? resonator (#31066). Get both for complete control over your car?s sound and performance characteristics.
NOTES: Includes Loud Mouth II race muffler. Loud Mouth resonator sold separately.
FEATURES:
-Includes our new Loud Mouth II bullet-type race muffler for minimal restriction, reduced resonance, and an aggressive tone
-Employs SLP?s exclusive modular technology, making it possible to switch between muffler and resonator types in a matter of minutes
-Engineered and built to OEM standards to ensure proper fit
-Constructed entirely from mandrel-bent stainless steel
-Features a show-quality polished resonator and 2.5″ “Dual/Dual” tips with electromarked SLP logo or 3.5″ slash tips with electromarked SLP logo. (choose below)
-For 1998-2002 LS1 F-Bodies
| Weight | 1 oz |
|---|---|
| Tip Choices |
7 reviews for 98-02 LS1 SLP “Loud Mouth II” Catback Exhaust System
Only logged in customers who have purchased this product may leave a review.
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Justin Zendrosky (verified owner) –
Awesome system. Sounds great…. not too loud. Absolutely fits like a glove.
Brian Mannasmith (verified owner) –
Another great product from SLP. I was hoping it wouldn’t be obnoxiously loud and it’s not. At idle it’s pretty quiet, just a hair louder than the stock system, but when you get up on it it sounds like a V-8 should! Installation wasn’t too bad, took around 2 hours in my garage with jack stands. Would recommend getting some high temp RTV to cover a few very small holes between some of the pipes. When you go to adjust them some of the pipes don’t mate up perfect. But other than that great product, great sound!
Serge Shkuro (verified owner) –
Absolutely awesome system, sound greats. Experienced minor power gains and great value.
Rick Tamski (verified owner) –
Geart fit and awesome sound! From 2500 to red line the car sounds absolutely mean!
Willy Perdomo (verified owner) –
Very nice tone, nice deep rumble. At WOT very nice roar to it. Another great product bought from WS6 Store.
Donald Platter (verified owner) –
Been listening to exhausts on line forever it seems. Finally pulled the trigger on this system and it didn’t disappoint. Had an exhaust shop put on with no issues. At idle or cruising speed its a little louder than stock, but if you get in it,2500 rpm or so it definitely gets your attention.Shipping was awesome, took two business days.
joshua iannantuono (verified owner) –
i did like many of us do, and watched a thousand (literaly) videos and clips trying to decide for my ls1 camaro. i purchased this w/ 3.5 inch tips. I have to say, it sounds amazing. Cold start and idle are solid deep rumble, not obnoxious. regular driving it sounds like a classic muscle car, little to no drone at any speed or rpm. and wide open throttle, it screams and sounds great. i did have my car guy install it, and even he said wow that sounds incredible, and hes heard it all. (he also said it was a pain to install, but worth it) so if you are debatting this exhaust, pull the trigger you will be happy. fwiw, my choice if i was rich wud have been gmmg, but honestly this sounds the same, for half the price. stainless, awsome, cant go wrong.