My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Gibson Exhaust 618603 Cat-Back Single Exhaust System Stainless Steel

(2007-2021 Toyota Tundra)

Manufacturer

Part Number

618603
Sale Price

$910.03

Estimated ship date Wednesday, November 18

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 618603 Cat-Back Single Exhaust System delivers exceptional performance gains for trucks and SUVs needing improved acceleration, towing capacity, and passing power. This stainless steel exhaust system is engineered to maximize low-end torque and horsepower where you need it most.

Performance Benefits:

  • Dyno-tested horsepower gains averaging 10-15 HP
  • Torque increase of 15-20 lb-ft, optimized at 1800-3000 RPM
  • Single side exit behind rear tire for improved ground clearance
  • Quieter cabin experience compared to other performance exhaust systems
  • Minimal interior drone for comfortable daily driving

Muffler Specifications:

  • Baffled and chambered muffler design with no internal packing
  • Aggressive exhaust note without excessive noise
  • Muffler dimensions: 4 x 9 x 18 inch oval body
  • 2.25 inch dual inlet with 3 inch center outlet

Exhaust Tip Details:

  • 4 inch polished T304 stainless steel rolled slash-cut tip
  • Clamp-on design for easy installation
  • 3 inch inlet, 4 inch outlet, 12 inch length

This Gibson cat-back system features bolt-on installation with no welding required, allowing for professional-looking results without special tools. Constructed from durable stainless steel and backed by Gibson's Lifetime Limited Warranty.

Products specifications

Fits

2007-2021 Toyota Tundra

Tubing Diameter

3-in. Stainless mandrel bent tubing.

Muffler Dimension

4 x 9 x 18 in. Oval Body; 2.25 in. Dual Inlet; 3. in. Center Outlet.

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 Rear Tire.

Outlet

Single

Tip Specifications

Inlet 3 in.; Outlet 4.0 in.; L-12 in.

Category

Truck and SUV

Inlet Inside Diameter

2.500 in.

Tubing Diameter

2.500 in.

Exit Position

Behind Rear Tire

Tail Pipe Diameter

2.500 in.

Material

Stainless Steel

Tip Diameter

3.000 in.

Muffler Body Length

19.000 in.

Exhaust Type

Cat-Back

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.

Easy website to shop on. Good phone support. Package will be arriving in a timely manner. All in all seems like a good company.

Super low prices! Quick check out options!

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