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Gibson Exhaust 615597 Cat-Back Single Exhaust System Stainless Steel

(2003-2005 Chevrolet Trailblazer; 2003-2005 Chevrolet Trailblazer EXT; 2003-2004 GMC Envoy XL; 2003-2005 GMC Envoy Base; 2004 GMC Envoy XUV + 2 more models)

Part of: Gibson Performance Single Side Cat-Back Exhaust System

Other options in this family: Gibson Exhaust 619995 Gibson Exhaust 319675 Gibson Exhaust 315536 Gibson Exhaust 618815B Gibson Exhaust 315599

Manufacturer

Picture for manufacturer Gibson Exhaust

Part Number

615597
16 reviews
Sale Price

$630.34

1 left at this price

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Usually delivered within 2 days

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Product Details

The Gibson Exhaust 615597 Cat-Back Single Exhaust System delivers exceptional performance gains for trucks and SUVs requiring improved acceleration, towing power, and hill-climbing capability. This single-side exhaust system is engineered to maximize low-end torque and horsepower where it matters most.

Performance Benefits:

  • Dyno-tested horsepower gains averaging 10-15 HP
  • Torque increase of 15-20 lb-ft, optimized for low-end power (1800-3000 RPM)
  • Superior performance for towing, passing, and hauling applications
  • Quieter cabin experience compared to competing performance exhaust systems
  • Side exit design behind rear tire for optimal exhaust flow

Muffler Specifications:

  • Baffled and chambered design with no internal packing for longevity
  • Minimal interior drone for comfortable driving
  • Aggressive exhaust tone without excessive noise
  • Dimensions: 4" x 9" x 24" oval body
  • 2.50" offset inlet and outlet

Exhaust Tip Details:

  • 3.5" polished T304 stainless steel construction
  • Round slash-cut design for premium appearance
  • Clamp-on installation (2.50" inlet, 3.50" outlet, 12" length)

Installation & Warranty:

  • Complete bolt-on installation with no welding required
  • Professional-grade fitment and finish
  • Backed by Gibson's Lifetime Limited Warranty

Constructed from durable stainless steel materials, this cat-back system provides long-lasting performance and corrosion resistance. The Gibson 615597 is designed for enthusiasts who demand proven power gains with reliable, hassle-free installation.

Products specifications

Fits

2003-2005 Chevrolet Trailblazer; 2003-2005 Chevrolet Trailblazer EXT; 2003-2004 GMC Envoy XL; 2003-2005 GMC Envoy Base; 2004 GMC Envoy XUV; 2005 GMC Envoy XL SLT; 2005 GMC Envoy XUV SLE

Tubing Diameter

2.50-in. Stainless mandrel bent tubing.

Muffler Dimension

4 x 9 x 24 in. Oval Body; 2.50 in. Offset Inlet; 2.50 in. Offset Outlet.

Muffler Description

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

Material

Stainless

Tip Specifications

Inlet 2.50in.; Outlet 3.50in.; L-12in.

Prop 65

Yes

Tip Description

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

Exit Position

Exits Behind Rear Tire.

Outlet

Single

Category

Truck and SUV

Exit Position

Behind Rear Tire

Inlet Inside Diameter

2.500 in.

Tubing Diameter

2.500 in.

Muffler Body Length

24.000 in.

Material

Stainless Steel

Tail Pipe Diameter

2.500 in.

Exhaust Type

Cat-Back

Tip Diameter

3.500 in.

Easy ordering

You guys did great. I love the tires, but found that regulations will not let me run the W treadwear rating, so your customer support did a great job in providing me labels and a tracking number, and I will return the tires via FedEx today sama June 12th

I was stoked that after reading other reviews that there was no shipping charges for my purchase. Thank you!

Great price

Excellent prices

So fast

Great

It was fine. I would rather have faster delivery but it worked out.

Part's worked perfectly. Problem taken care of. THANKS

You are the only ones that have the part i need! thanks Autoplicity!

Easily usable layout and fast easy checkout options.

Tried ordering same parts from StockWiseAuto, it was a terrible hassle and i gave up. So far, I'm glad I ordered from Autoplicity instead, no hassle at all.

fast and easy checkout, fair shipping charges

The best prices and fast shipping!

Pretty simple so far

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>.

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