1999-2004 Jeep Grand Cherokee WJ Cat-Back Exhaust

Sound and performance both improve through 1999-2004 Jeep Grand Cherokee WJ Cat-Back Exhaust systems replacing restrictive factory components. Mandrel-bent tubing reduces backpressure dramatically compared to crush-bent factory pipes, freeing horsepower while producing deeper exhaust notes announcing your Grand Cherokee's presence.

 

Material selection affects longevity significantly-stainless steel construction resists corrosion in salt-heavy climates where aluminized steel rusts through prematurely. Sound level tolerance determines which system suits your needs, with aggressive setups pleasing enthusiasts but potentially annoying neighbors during cold starts echoing through residential neighborhoods.

 

Cat-backs are just one part of your exhaust system, and pairing them with the right supporting components helps you get the performance and sound you’re after. To explore every option available, start with 1999-2004 Jeep Grand Cherokee WJ Exhaust for a complete look at the system. When you want to free up more power, 1999-2004 Jeep Grand Cherokee WJ Headers improve airflow right from the engine. And if protection is part of your build, 1999-2004 Jeep Grand Cherokee WJ Front Bumpers help guard against front-end impacts.