Gibson · New
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Single Exhaust - Aluminized
MPN 312800 · Store SKU gib312800
Supplier stock checked 11/7/2026, 4:07:22 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Gibson most popular exhaust is the one you can trust when you want reliable performance from your vehicle. This single exhaust exits straight out the back, complemented with polished Stainless Tip. Hassle free, bolt-on installation with professional looking results. You can expect to experience gains on average 5-10 horsepower. Backed by a Lifetime Limited Warranty. Cat-Back Single Exhaust System; Aluminized Single Exhaust System
Manufacturer fitment & guides
Check 312800 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y