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Exhaust Exhaust Pipes, Systems and Components

Flowmaster

Flow Fx Cat-Back Exhaust System Fits 1999-2007 (Classic Body) Silverado/Sierra 1500 With Either A 4.3L, 4.8L Or 5.3L Engine 2/4 Wheel Drive With 143.5 Inch Wheelbase Moderate Sound Flowmaster

$922.95 $849.95 Save $73.00

SKU: F00L 717924

In Stock
In Stock
Ships by Aug 6
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 717924

This Flow FX cat-back exhaust system is for 1999-2007* (*Classic body) GM Silverado/Sierra 1500 with either a 4.3L, 4.8L or 5.3L engine and is manufactured using durable 409 stainless steel throughout and features a 3.00-inch inlet pipe leading to a single inlet/dual outlet Flow FX straight-through muffler for great sound and maximum performance. The dual 2.50-inch mandrel-bent tailpipes exit out the side at an angle behind the rear wheels directing exhaust away from your boat or travel trailer when towing.The system is finished off with a pair of large 4.50-inch diameter black ceramic coated 304S stainless steel tips, giving your truck a custom look that goes hand in hand with that deep performance Flow FX sound. The system uses all the existing factory hanger locations and includes an additional hanger to install the new left side tailpipe. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Note: Fits 2 & 4 Wheel Drive with 143.5 inch wheelbase.Increases of up to 8 hp and 7 lb/ft of torque over the stock exhaustSystem produces a nice rumble with minimal interior resonanceLarge 4.50-inch black ceramic coated stainless steel tips offers an aggressive lookIncludes complete hardware and factory styled hangers in stock locations for an easy installationFlowFX straight-through performance muffler delivers a deep tone and improved exhaust flowMandrel-bent 16-gauge 409 stainless steel tubing maximizes exhaust flow with excellent corrosion resistanceClears the factory spare tireLifetime Limited Warranty

Features:

  • Increases of up to 8 hp and 7 lb/ft of torque over the stock exhaust
  • Increases Of Up To 8 HP And 7 Ft/lbs Over The Stock Exhaust
  • System produces a nice rumble with minimal interior resonance
  • System Produces A Nice Rumble With Minimal Interior Resonance
  • Large 4.50-inch black ceramic coated stainless steel tips offers an aggressive look
  • Tips Offers An Aggressive Look
  • Includes complete hardware and factory styled hangers in stock locations for an easy installation
  • Includes Complete Hardware And Factory Styled Hangers
  • FlowFX "straight-through" performance muffler delivers a deep tone and improved exhaust flow
  • FlowFX Straight Through Performance Muffler
  • Mandrel-bent 16-gauge 409 stainless steel tubing maximizes exhaust flow with excellent corrosion resistance
  • Maximizes Exhaust Flow With Excellent Corrosion Resistance
  • Clears the factory spare tire
  • Clears The Factory Spare Tire
  • Lifetime Limited Warranty
  • Lifetime Limited Warranty

Fits 1999-2007* (*Classic body) GM Silverado/Sierra 1500 with either a 4.3L, 4.8L or 5.3L engine. 2/4 Wheel Drive with 143.5 inch wheelbase - Moderate sound

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

This Flowmaster FlowFX Dual Exhaust System with Black Tips and Side Exit location is designed to give your Chevy a high-performance, rich, and deep exhaust sound. It features a straight-through performance muffler to enhance the vehicle's roar. The system also offers immediate power boosts due to its 3-inch tubing, which promotes better engine combustion, leading to increased horsepower and torque. It's constructed from stainless steel for long-lasting performance and high resistance against rust and corrosion. The 4.50-inch exhaust tips are coated with a black ceramic finish for an appealing look.

Fitment

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Specifications

BrandFlowmaster
Part NumberF00L 717924

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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