Borla 140037 Touring Cat-Back Exhaust System for 03-06 Hummer H2 6.0L V8

Vehicle Fitment

• 2003-2006 Hummer H2 (SUV & SUT; 6.0-L V8; AWD; Automatic transmission)

Fitment Notes

• Touring-series Cat-Back system replaces full rear and mid-pipe sections; includes dual oval tips
• Designed exclusively for 6.0-L V8 models with factory AWD and automatic trans
• Not compatible with H2 models equipped with supercharged or 6.2-L engines

Features

• Touring mufflers deliver smooth, quiet tone with minimal interior drone
• Mandrel-bent 2.5- inlet transitioning to dual 2.0- outlet piping
• Polished oval 4.25- - 3.5- T-304 stainless steel tips
• All T-304 stainless steel construction for superior corrosion resistance
• Precision CNC-fit for factory hangers - bolt-on installation
• Maintains emissions compliance and factory warranty
• Made in USA with Borla's industry-leading build quality
• Backed by Borla's Million-Mile Limited Warranty

Specifications

• System Type: Touring Cat-Back Exhaust System
• Piping Diameter: 2.5- inlet, 2.0- dual outlets
• Tip Size: Dual oval 4.25- - 3.5- polished tips
• Material: T-304 stainless steel throughout
• Fitment: 2003-2006 Hummer H2 6.0-L V8 AWD
• Weight: approx.-63-lb
• Warranty: One Million-Mile Limited

Included Components

• Full Cat-Back exhaust including mid-pipe and rear section
• 2- Polished oval T-304 tips (4.25- - 3.5-)
• All mounting clamps, gaskets, and hangers
• Installation instructions

Product Description

The Borla 140037 Touring Cat-Back Exhaust System is engineered specifically for 2003-2006 Hummer H2 models with the 6.0-L V8 engine and AWD setup. This full cat-back system replaces both the mid- and rear-pipe sections with precision-mandrel T-304 stainless steel tubing and delivers a refined sound profile ideal for daily comfort and fuel economy.

Featuring Borla's Touring muffler technology, the system produces a smooth tone under throttle with almost no cabin drone. Its dual oval 4.25- - 3.5- polished tips fit the factory exhaust exits, and the bolt-on installation ensures minimal effort using stock hangers and clamps. Compatible with AWD and automatic X transmissions only.

Constructed in the USA and backed by Borla's Million-Mile Warranty, this system delivers proven durability, emissions compliance, and an OEM-grade fit - ideal for Hummer owners seeking quiet power gains and longevity.