My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Gibson Exhaust 65628 Cat-Back Dual Extreme Exhaust System Stainless Steel

(2007-2009 Chevrolet Silverado 1500; 2007-2009 GMC Sierra 1500)

Part of: Gibson Performance Exhaust Dual Extreme Cat-Back Exhaust System

Other options in this family: Gibson Exhaust 9704 Gibson Exhaust 5403 Gibson Exhaust 17306-B Gibson Exhaust 5587 Gibson Exhaust 65587

Manufacturer

Picture for manufacturer Gibson Exhaust

Part Number

65628
4 reviews
Sale Price

$803.51

Estimated ship date Monday, November 23

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Gibson Exhaust 65628 Cat-Back Dual Extreme Exhaust System is engineered for truck enthusiasts who demand maximum performance and aggressive styling. This bolt-on cat-back system features dual exits positioned behind the rear tires at an aggressive angle, delivering a commanding exhaust tone and bold street presence.

Performance Benefits:

  • Dyno-tuned and tested for real-world performance gains
  • Average horsepower increase of 15-20 HP
  • Optimized exhaust flow for improved engine efficiency
  • Aggressive, mean performance sound without excessive interior drone

Muffler Specifications:

  • Baffled and chambered muffler design with no internal packing
  • Minimal interior drone for comfortable daily driving
  • Muffler dimensions: 4 x 9 x 18 inches oval body
  • 3.00-inch center inlet with 2.25-inch dual outlet

Premium Stainless Construction:

  • Durable stainless steel construction throughout
  • Polished T304 stainless steel tips resist corrosion
  • 3.5-inch round slash-cut tips with clamp-on installation
  • Tip specifications: 2.25-inch inlet, 3.50-inch outlet, 12-inch length

Installation is straightforward with a complete bolt-on design requiring no welding or cutting. The system is backed by Gibson's Lifetime Limited Warranty for long-term peace of mind. If you're looking for extreme performance, aggressive styling, and proven power gains, the Gibson 65628 delivers.

Products specifications

Fits

2007-2009 Chevrolet Silverado 1500; 2007-2009 GMC Sierra 1500

Tubing Diameter

2.25-in. Stainless mandrel bent tubing.

Muffler Dimension

4 x 9 x 18 in. Oval Body; 3.00 in. Center Inlet; 2.25 in. Dual Outlet.

Muffler Description

Baffled and Chambered Muffler Design, No internal Packing, Minimal Interior Drone, Aggressive Sound

Tip Specifications

Inlet 2.25in.; Outlet 3.50in.; L-12in.

Material

Stainless

Prop 65

Yes

Tip Description

3.5in. Polished T304 Stainless. Round Slash-Cut Tip. Clamp on.

Exit Position

Exits Behind Each Rear Tire.

Outlet

Dual

Category

Truck and SUV

Exit Position

Behind Rear Tire

Tip Diameter

3.500 in.

Muffler Body Length

18.000 in.

Exhaust Type

Cat-Back

Material

Stainless Steel

Tubing Diameter

2.250 in.

Tail Pipe Diameter

2.250 in.

Inlet Inside Diameter

3.000 in.

They had an item that was somewhat hard to find at a reasonable price. Glad I found them.

Absolutely the best bargain you'll find! Don't pay retail mark up at the parts store, buy at Autoplicity and know you're saving money.<br>.

great service, even better price! Would recommend Autoplicity to anyone.

I was very pleased with the price of the part and expediency with which the order was processed. I will definitely consider buying from them again.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy