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Home / Exhaust / Catback / Flowmaster 96-99 GM 1500 5.7L FlowFX Cat-Back DOS Exhaust System
Flowmaster 96-99 GM 1500 5.7L FlowFX Cat-Back DOS Exhaust System
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Flowmaster

Flowmaster 96-99 GM 1500 5.7L FlowFX Cat-Back DOS Exhaust System

PART 717923CATEGORY Catback
$899.95
MSRP $1,012.95You save $113.00
$899.95
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Product description

Fits 1996-1999 Chevrolet/GMC 1500 5.7L Extended Cab/Short Bed With Dual Cats, Flow FX Cat-Back Dual Exit Exhaust, 3.0" to 2.5" 409 Stainless Steel, Black Tips

Flowmaster Flow FX Cat-Back Exhaust System

Features

Includes two large 4.5-inch black ceramic coated tips exiting out each side of the truck for an aggressive look

Flow FX “straight through” performance muffler delivers a deep performance tone and improves exhaust flow

2.5-inch Mandrel bent 16 gauge 409 stainless steel tubing maximizes exhaust flow and improved durability

Includes complete hardware and factory styled hangers in the stock locations for an easy installation

This system produces a moderate rumble with minimal interior resonance

Increases of up to 11 HP and 11 FT/LB over the stock exhaust

Lifetime Limited Warranty

Manufacturer notes

Fits 1996-1999 Chevrolet Silverado and GMC Sierra 1500 with 5.7L engine using dual catalytic converters, fits 2/4 wheel drive models with extended cab/short bed configuration 141-inch wheelbase.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catback
UPC / barcode
090127098653
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

Flowmaster 96-99 GM 1500 5.7L FlowFX Cat-Back DOS Exhaust System

9699 GM 1500 57L FFX CB DOS

SYS 96-99 GM 1500 5.

About the manufacturer

This Flow FX cat-back exhaust system is designed for the 1996-1999 Chevrolet/GMC 1500 Extended Cab/Short Bed trucks with the 5.7L engine and dual catalytic converters. Features include 409 stainless steel construction for added durability and 16-gauge 3.0-inch to 2.5-inch mandrel-bent tubing for free unrestricted flow. The compact oval "straight-through" Flow FX performance muffler delivers a moderate yet deep and powerful sound while the interior sound is kept very mild. The system uses the factory hanger locations and is finished off with two 4.50-inch black ceramic-coated 304 stainless steel tips embossed with the Flowmaster name exiting on each side of the truck. The kit includes detailed instructions and all hardware necessary for a quick and easy installation you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.

Additional manufacturer information

SYS 96-99 GM

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