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Have you ever wished you could change up the tone or volume of your exhaust without having to purchase and install a new system? SLP now offers the LoudMouth Exhaust System for 1998-2002 Camaros and Firebirds equipped with LS1s. These systems were created using industry-exclusive modular design architecture, so that simply loosening a few band clamps, swapping muffler types, and retightening, can change the performance, noise level, and sound quality of your Camaro or Firebird.
The F-Body LoudMouth System is compatible with the included race resonator and our original LoudMouth II bullet-type race muffler (Part #31067), which you can purchase separately to gain complete control over both your car’s sounds and performance characteristics.
NOTE: Includes a LoudMouth resonator. LoudMouth II mufflers sold separately.
Daniel
Reviewed in the United States on September 6, 2023
It honestly sounds good, but they include 3 absolutely garbage clamps. You have to pound two of them on the tips to make them work. The third one doesn't work at all. I had to go buy another clamp because the garbage one included.
Jdougheei🍩
Reviewed in the United States on September 27, 2020
Just buy it. It's not SO Loud you hear it blocks away. On a stock car, it gets it louder than stock which is what your looking for. Just wasted $400+ on magnafl.. barely louder than stock. Wish just did this 1st.. and you do not need special tools to remove anything like some reviewers have stated. Simple hand tools will remove and install. Yes a reciprocating saw would help on removal if you don't want to save anything.
Cole S
Reviewed in the United States on April 24, 2020
Exhaust sounds great! But doesn't quite fit an lt1. It definitely takes some adjustments to get it to fit, but it would never fit right. I took mine to an exhaust shop and had them adjust it properly. Also there is no hangar on the passenger side like the stock exhaust for an lt1.
christopher barawed
Reviewed in the United States on June 29, 2017
Replaced 80 series Flowmasters after extensive research on straight through cat-back systems SLP checked all the boxes. Stainless steel, dual tail pipes, real muscle car sound from my ls-1 transam. It doesn't 'drone' as many claim and loud when you want it to be. Accelerate hard it definitely advertises there's a muscle car coming. Drive like a normal person it fairly docile. I'm glad I didn't waste my money by throwing down 1k+ for Borla just to say "it's a Borla".
BIG Chungus
Reviewed in the United States on September 4, 2015
Sounds amazing looks great fit on my lt1 did need small adjustments
Shaun
Reviewed in the United States on September 18, 2015
Sounded awesome on my '99 Trans Am. Easy to install.
william D Johnson
Reviewed in the United States on January 25, 2015
perfectperfect
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