Description
If you’re running a 2003-2007 GM full-size truck with an LS engine, a quality cat-back exhaust system is one of the highest-return bolt-on upgrades you can make. This MBRP system delivers measurable improvements in flow, throttle response, and sound while protecting your investment with proven aluminized steel construction. Designed specifically for extended and crew cab applications, it’s engineered to fit right without compromise or modification.
The Installer Series cat-back design means you get genuine performance gains without the premium pricing of full competition systems—ideal for street trucks, weekend warriors, and DIY builders who want results without breaking the budget.
- Cat-back configuration
- 3-inch diameter tubing
- Aluminized steel construction
- Stainless steel tip
- Extended/Crew cab fitment
- 2003-2007 GM trucks
- LS-series compatible
- Complete bolt-on kit
- MPN: S5014AL
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