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 65668 Cat-Back Dual Extreme Exhaust System Stainless Steel

(2015-2020 Chevrolet Tahoe; 2015-2020 GMC Yukon)

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

65668
13 reviews
Sale Price

$758.01

Estimated ship date Tuesday, November 17

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 65668 Cat-Back Dual Extreme Exhaust System delivers aggressive styling and proven performance gains for truck enthusiasts looking to take their vehicle to the next level. This dual bolt-on cat-back system features a distinctive design with exhaust tips that exit behind the rear tires at an aggressive angle, creating bold street presence and a powerful exhaust tone.

Performance Benefits:

  • Dyno-tested performance gains averaging 15-20 horsepower
  • Baffled and chambered muffler design with no internal packing
  • Aggressive exhaust sound with minimal interior drone
  • Enhanced exhaust flow for improved engine efficiency

Construction and Components:

  • Durable stainless steel construction throughout
  • 8-inch round muffler body with 24-inch length
  • 3-inch offset inlet with 2.25-inch dual outlets
  • Polished T304 stainless steel rolled slash-cut tips (4-inch outlet, 12-inch length)
  • Clamp-on tip installation for easy removal

Installation:

  • Easy bolt-on installation with no welding required
  • Complete cat-back system includes all necessary hardware
  • Backed by Gibson's Lifetime Limited Warranty

This system is engineered for the extremist who demands both aggressive styling and measurable performance improvements. The chambered muffler design provides the signature Gibson sound without excessive cabin drone, making it suitable for daily driving while maintaining its aggressive character under acceleration.

Products specifications

Fits

2015-2020 Chevrolet Tahoe; 2015-2020 GMC Yukon

Tubing Diameter

2.25-in. Stainless mandrel bent tubing.

Muffler Dimension

8 in. Round Body; 3 in. Offset Intlet;2.25 in. Dual Outlet; ; L-24 in.

Muffler Description

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

Material

Stainless

Prop 65

Yes

Tip Description

4in. Polished T304 Stainless Rolled Slash-Cut Tip. Clamp on.

Exit Position

Exits Behind Each Rear Tire.

Tip Specifications

Inlet 2.25 in.; Outlet 4.0 in.; L-12 in.

Outlet

Dual

Category

Truck and SUV

Material

Stainless Steel

Tubing Diameter

2.250 in.

Muffler Body Length

24.000 in.

Inlet Inside Diameter

3.000 in.

Tail Pipe Diameter

4.000 in.

Exhaust Type

Cat-Back

Exit Position

Behind Rear Tire

Tip Diameter

4.000 in.

So far order placement was easy. Used pay with Amazon.

First time and liked it.

I was shopping for a bed cover for my truck and found that autoplicity had the lowest price when I was ready to buy. After I placed the order, I got an email notifying me that my order was shipped and got a tracking number. Seamless transaction so far. Very happy.

First purchase , hope it all goes as smooth as ordering .

Easy shopping

Delivered as promised.

Very fast checkout.

Thank you

What i needed was in stock

Lowest prices on Autometer gauges I found on the web. This was 1st purchase with Autoplicity and it was a pleasant suprise. Low prices and quick shipping.

Excellent, GREAT PRICES!

Website was easy and great to use. Received products and they were exactly what I was looking for! This saved me so much money doing the install myself and better parts than any auto shop out there. Thanks!

good price fast shipping

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