Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exhaust› Exhaust Pipes, Systems and Components
Gibson
Gibson 08-09 Chevrolet Silverado 1500 LS 4.8L 2.25in Cat-Back Dual Extreme Exhaust - Stainless
SKU: G003 65628
Moderate — 2–4 hours
Overview
Precision Engineering, Unmatched Performance. Designed for peak performance, the Gibson Dual Extreme Exhaust delivers dyno-proven gains, enhancing both low-end power and high-end efficiency. Engineered for peak low-end torque and horsepower (1,800–3,000 RPM), delivers dyno-proven gains of 10–15 horsepower and 15–20 lb-ft of torque—performance you can feel.
Bold Sound, Minimal Drone. Equipped with a Gibson Superflow Muffler featuring a baffled and chambered design, this system produces a deep, aggressive exhaust note while minimizing cabin drone—delivering the perfect balance of sound and comfort.
Built for Durability, Designed for Easy Installation. Crafted from mandrel-bent stainless steel tubing, is built to withstand tough conditions while ensuring maximum durability and flow. Each precision-engineered T-304 stainless steel tip delivers a bold, aggressive look that stands out. Featuring a clamp-on design for easy installation, it’s the perfect blend of style and function. Exiting behind each rear tire, this system optimizes performance while delivering an aggressive, inspired look.
Installation is effortless with factory hangers and clamps included—just bolt it on and go. Designed to work with most factory bumpers, this system offers seamless integration. (Note: Exhaust sound may be louder under towing conditions.)
Proudly Made in the USA, the Gibson Dual Extreme Exhaust comes with a Lifetime Limited Warranty, ensuring years of high-performance driving.
Show original supplier description
Part #: 65628
For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.
Features:
- Stainless Steel Mandrel Bent Tubing
- Superflow (TM) CFT Muffler
- Baffled/Chambered Muffler; No Internal Packing
- Minimal Interior Drone - Aggressive Sound
- Polished Stainless Slash-Cut Clamp On Tips
- Incl. All Hardware/Factory Style Hangers
- Hassle Free Bolt-On Installation
- Lifetime Limited Warranty
Cat-Back Dual Extreme Exhaust System | Stainless
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Gibson |
| Part Number | G003 65628 |
We’re here — turning wrenches, just like you.
Call us, follow along, or come say hi.
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
View Full Shipping Policy