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Gibson 65675 Cat-Back Super Truck Exhaust System Stainless Steel

(2014-2018 Chevrolet Silverado 1500 High Country/LTZ; 2014-2018 GMC Sierra 1500 Denali/SLT)

Part of: Gibson Performance Exhaust Super Truck Cat-Back Exhaust System

Other options in this family: Gibson Exhaust 9532 Gibson Exhaust 69517 Gibson Exhaust 65518 Gibson Exhaust 66513 Gibson Exhaust 9516

Manufacturer

Picture for manufacturer Gibson Exhaust

Part Number

65675
19 reviews
Sale Price

$656.71

Estimated ship date Wednesday, November 18

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Gibson 65675 Cat-Back Super Truck Exhaust System delivers an aggressive, race-rumble tone with a loud, deep, and powerful exhaust note. Dual tailpipes exit in front of the rear tires, giving your truck a clean, performance-inspired look finished with polished stainless steel tips. Engineered for bolt-on installation with no welding required, this system is designed to drop right onto your truck for a hassle-free upgrade.

Dyno-tested results show typical gains of 10–15 horsepower and 15–20 lb-ft of torque, thanks to the free-flowing exhaust design that reduces back pressure and improves engine breathing. The system is backed by Gibson's Lifetime Limited Warranty for long-term peace of mind.

Muffler Specifications:

  • Design: Baffled and chambered muffler — no internal packing
  • Sound profile: Aggressive exterior tone with minimal interior drone
  • Body dimensions: 6 in. x 19 in. round body
  • Inlet: 3.0 in. center inlet
  • Outlet: 2.50 in. dual outlet

Tip Specifications:

  • Style: 6 in. polished T304 stainless steel oblong slash-cut tip
  • Outlet dimensions: 6 in. x 2.75 in.
  • Tip length: 6 in.
  • Attachment: Clamp-on installation

Additional Notes:

  • Constructed from T304 stainless steel for corrosion resistance and long-term durability
  • Bolt-on fitment — no cutting or welding required
  • Not recommended for towing applications
  • Noise level may exceed the 95-decibel standard
  • Covered by Gibson's Lifetime Limited Warranty

Products specifications

Fits

2014-2018 Chevrolet Silverado 1500 High Country/LTZ; 2014-2018 GMC Sierra 1500 Denali/SLT

Tubing Diameter

2.50-in. Stainless mandrel bent tubing.

Muffler Dimension

6 X 19 Round Body; 3.0 in. Center Inlet; 2.50 in. Dual Outlet.

Muffler Description

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

Material

Stainless

Prop 65

Yes

Tip Description

6in. Polished T304 Stainless Oblong Slash-Cut Tip. Clamp on.

Tip Specifications

Outlet 6 x 2.75 in.; L-6 in.

Outlet

Dual

Exit Position

Exits In Front of Rear Tire.

Category

Truck and SUV

Tubing Diameter

2.500 in.

Tail Pipe Diameter

2.500 in.

Exhaust Type

Cat-Back

Muffler Body Length

19.000 in.

Tip Diameter

6.000 in.

Material

Stainless Steel

Exit Position

Front of Rear Tire

Inlet Inside Diameter

3.000 in.

Thanks

services good, the parts I found through Amazon on your site were the wrong size. when I tried to re order through your site could not find them and had to call you customer service which was great

Good service

Thank you

I recoeved my order in 2 days

Needed part arrived on time and in great shape. No issues at all.

nice!

quick and easy, great prices cheap shipping

Best price

Great products, and pricing

Anxious to try your product

Thank you, I love the free shipping!

my experience was great and easy !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

What i needed was in stock

Excellent!

Loved it

Pleasant

Dont know yet. Hope item is in stock.

cheapest price anywhere super fast service will deal with again++++++++

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