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  • Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
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Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
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Load image into Gallery viewer, Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
Load image into Gallery viewer, Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
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Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224

Exhaust, Mufflers & Tips Catback
Flowmaster
flo17224
Special order
September 22, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$524.70 $658.95
This Flowmaster American Thunder® cat-back exhaust system is custom designed for 1996-1999 Chevrolet Silverado and GMC Sierra 2500/3500 trucks with the 5.7L and 7.4L engine is perfect for the person looking for a moderate sound level inside and outside of the truck, with all of the performance benefits that expect from Flowmaster®. This bolt-on emissions-legal system features a dual 3.00-inch inlet 50 Series Big Block™ muffler for a deep powerful tone and includes an aluminum heat shield and stainless steel clamps. The single 3.00-inch aluminized steel mandrel-bent tailpipe uses the factory hanger locations and is finished off with a turndown style tip that exits behind the right rear wheel which is ideal for towing. The exhaust system is covered by our 3-year Limited Warranty and includes all necessary parts and hardware for a quick and easy installation you can do at home. Notes: Fits 2/4 wheel drive extended cab/long bed configuration and Crew Cab Dually. Fits 155-inch and 168-inch wheel bases. Fits 1996-1999 Chevrolet Silverado and GMC Sierra truck 3/4 Ton and 1 Ton with fuel injected 5.7L HD or 7.4L engine, fits 2/4 wheel drive extended cab/long bed configuration and Crew Cab Dually. Fits 155-inch and 168-inch wheelbases and...
Flowmaster 96-99 Chevrolet/GMC Truck 155/168in. Wheelbase American Thunder Cat-Back Exhaust System - 17224
SKU: flo17224
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

This Flowmaster American Thunder® cat-back exhaust system is custom designed for 1996-1999 Chevrolet Silverado and GMC Sierra 2500/3500 trucks with the 5.7L and 7.4L engine is perfect for the person looking for a moderate sound level inside and outside of the truck, with all of the performance benefits that expect from Flowmaster®. This bolt-on emissions-legal system features a dual 3.00-inch inlet 50 Series Big Block™ muffler for a deep powerful tone and includes an aluminum heat shield and stainless steel clamps. The single 3.00-inch aluminized steel mandrel-bent tailpipe uses the factory hanger locations and is finished off with a turndown style tip that exits behind the right rear wheel which is ideal for towing. The exhaust system is covered by our 3-year Limited Warranty and includes all necessary parts and hardware for a quick and easy installation you can do at home. Notes: Fits 2/4 wheel drive extended cab/long bed configuration and Crew Cab Dually. Fits 155-inch and 168-inch wheel bases.

Fits 1996-1999 Chevrolet Silverado and GMC Sierra truck 3/4 Ton and 1 Ton with fuel injected 5.7L HD or 7.4L engine, fits 2/4 wheel drive extended cab/long bed configuration and Crew Cab Dually. Fits 155-inch and 168-inch wheelbases and requires welding.

Features & Benefits

  • Includes an Aluminum Heat Shield and Stainless Steel Clamps
  • Includes Hangers and Hardware for an Easy Installation
  • 50 Series Big Block Series Performance Muffler
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • Easy Installation
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Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

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Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

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