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Based on the manufacturer’s specs, this product is an exact fit for your 2008-2009 Hummer H3
2008-2009 Hummer H3 - Gibson Exhaust System
Part number: G27312701
Manufacturer number: 312701
Product Description: GIBSON SPLIT REAR CAT-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B certified; Gains an average power...Read More
Warranty: Gibson's limited lifetime warranty
Fit note: Truck
- Overview
- Manufacturer info
- Extended Warranty
GIBSON SPLIT REAR CAT-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B certified; Gains an average power of 15 to 20 h.p.; 2.5 in. main piping diameter, 2.5 in. tail pipe diameter; Exit is straight out the back; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow SFT muffler for better volume efficiency, over axle tail pipes, zinc plated 0.375-0.5 in. factory style hangers, heavy duty clamps, and dual 3.5 in. high polished T-304 stainless steel tips with round shape, angle cut, and non-rolled edge design; Features heavy duty aluminized mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; It significantly decreases back-pressure while increasing torque; Offers an awesome look and produces an aggressive powerful sound; Easy clamp-on installation; With Gibson's limited lifetime warranty.
This product fits the following Hummer H3 submodels
This product fits the following Hummer H3 submodels
- 2008-2009: Alpha; 8 Cyl 5.3L;
- 2009-2009: Championship Series; 8 Cyl 5.3L;



