Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized Gibson GIB312700
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized Gibson GIB312700
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized Gibson GIB312700
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized Gibson GIB312700
Click to zoom in

Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized

Gibson
GIB312700
677418014266
Catback
3 Units In Stock - Ships Next Business Day
$ 1,227.99
$ 1,227.99

SKU: 312700 | UPC: 677418014266

Gibson 2006-2010 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized

Upgrade your Hummer H3 with the Gibson cat-back dual split exhaust system designed for 2006-2010 Base models with 3.7L engine and 2007 X. This aluminized steel exhaust reduces backpressure to deliver more torque and average horsepower gains of 15-20. Enjoy an aggressive throaty sound and striking rear-exit look with stainless tips.

Key Features

  • 2.5-Inch Mandrel-Bent Tubing: Aluminized steel construction ensures smooth exhaust flow and durability for consistent performance.
  • Stainless Steel SuperFlow Mufflers: Provide deep throaty tone that intensifies under load or towing without drone.
  • Dual Split Rear-Exit Tips: Polished stainless 3.5-inch tips exit straight out the back for a custom aggressive appearance.
  • Proven Power Gains: Dyno-tested increases of 15-20 horsepower and added torque through reduced restriction.
  • Bolt-On Design: Uses factory mounting points for straightforward setup with no cutting or welding.

Product Notes

  • Exhaust note grows louder during towing for enhanced awareness.
  • Works seamlessly with stock bumpers roll pans and trailer hitches.
  • Protected by Gibson Lifetime Limited Warranty on materials and workmanship.

Installation Notes

  • Professional installation recommended.
  • Complete bolt-on process takes 1-2 hours using provided clamps and hangers.
  • Compatible with OEM hardware no modifications required.

This Part Fits

Year Make Model Submodel
2006-2010 Hummer H3 Base
2007 Hummer H3 X

Why Choose Gibson?

  • Decades of exhaust engineering focused on power and sound.
  • High-quality aluminized steel and stainless components built to last.
  • Dyno-proven designs deliver measurable gains on street and track.

Frequently Asked Questions

  • Q: Does this fit a 2008 Hummer H3 Base 3.7L?
    A: Yes it fits all 2006-2010 Hummer H3 Base models with 3.7L engine and 2007 H3 X.
  • Q: What materials are used in construction?
    A: 2.5-inch aluminized steel tubing with stainless steel mufflers and 3.5-inch polished tips for corrosion resistance.
  • Q: What does the Lifetime Limited Warranty cover?
    A: Covers defects in materials and workmanship for as long as you own the vehicle when properly installed.

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Single heavy-duty box dimensions 60in x 14in x 14in
  • Weight: 42 lbs
Read More
Read Less

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Catback

Catback

Explore Our Premium Catback Exhaust Systems Upgrade your ride with our curated selection of premium catback exhaust systems. Designed for drivers who demand both power and style, our catback exhausts deliver an aggressive sound profile, improved horsepower and torque, and a sleek appearance that stands out. Each aftermarket exhaust in our collection is engineered to maximize exhaust flow, giving you noticeable gains in performance and throttle response. Key Features of Our Catback Exhaust Collection: Performance: Unlock extra horsepower and torque through superior exhaust flow. Quality Materials: Crafted from high-grade stainless steel to resist corrosion and ensure long-term durability. Simple Installation: Bolt-on design allows for quick, hassle-free upgrades with minimal tools. Distinctive Sound: Achieve a deeper, more resonant exhaust note that turns heads and enhances your driving experience.   Whether you’re looking for a performance exhaust for your daily commute or an ... View Our Catback Products...
Exhaust Systems

Exhaust Systems

Find the right performance exhaust system for your car, truck, or SUV with our curated selection of stainless-steel upgrades engineered for power, sound, and reliability. Browse proven layouts like cat-back, axle-back, and turbo-back systems, dial in flow with headers & manifolds and downpipes, or tailor your tone with mufflers & resonators and polished exhaust tips. We also stock emissions-minded solutions including direct-fit catalytic converters and universal catalytic converters. Shop top brands such as Akrapovič, AWE Tuning, Borla, Invidia, GReddy, Perrin, Banks Power, and Gibson. Every option is selected for quality construction (think mandrel-bent tubing and precise welds) and bolt-on fitment, and our Year/Make/Model search makes it easy to match parts to your build—upgrade throttle response, unlock a deeper, refined exhaust note, and enhance your vehicle’s style with components that deliver performance you can feel. View Our Exhaust Systems Products...
Gibson

Gibson

At Black Ops Auto Works, we carry the premium lineup of Gibson performance exhaust systems dyno-tested for increased horsepower, torque, and fuel efficiency with a deep, aggressive tone and minimal cabin drone. Explore top-selling Gibson cat-back, axle-back, and dual exhaust systems featuring mandrel-bent tubing, Superflow mufflers, and polished stainless tips for trucks, SUVs, Jeeps, and off-road builds all bolt-on with lifetime warranty. Gibson Exhaust for Ford F-150 – Deep Power & Aggressive Sound Ford F-150 owners choose Gibson for popular cat-back systems that deliver bold low-end torque, improved throttle response, and a powerful rumble without excessive drone. Mandrel-bent aluminized or stainless steel for durability Polished T-304 stainless tips for standout style Easy bolt-on installation on most models Shop Popular Gibson Exhaust for Ford F-150 Gibson Exhaust for RAM 1500 & TRX – Truck Dominance & Towing Power RAM truck drivers upgrade to Gibson dual or spli... View Our Gibson Products...

Your cart

×