Sierra CUSTOM Exhaust Kits
Click here if you want FMS Performance
to custom build your GMC exhaust kit directly
on your car in-house at one of our locations in California.
GMC Performance Exhaust Systems
FMS Performance has been building custom GMC Performance Exhaust Systems since 1974. We have created this program to help you plan the type of GMC Performance Exhaust Systems you would like. By first choosing the sound level.
Race tone. Aggressive tone. Throaty tone. Low tone.
Race Tone includes all large diameter aluminized piping and your choice of Sierra Exhaust Systems mufflers. Flowmaster Outlaw mufflers, Borla XR-1 mufflers, Magnaflow Race mufflers, or straight piping.
Now you want to finish it off with the exhaust tip.
Choose polished stainless, black, blue burnt, carbon fiber, etc.. We have to many tips to list here. Drop by one of our stores to check out a wide variety of exhaust tips.
The installation is very important.
Our custom exhaust fabricators are the best in the industry. The system is completely leak checked. No rattles, leaks or crooked tips here!