Flowmaster

Flowmaster 717987 Flow FX Cat-Back Exhaust System

$1,117.95 USD

Sale Sold out

Shipping calculated at checkout.

Low stock: 2 left

Ships by freight — oversized item. Exact shipping is calculated in your cart.

Description & Features

Flowmaster 717987 Flow FX Cat-Back Exhaust System

This Flowmaster® Flow FX® cat-back exhaust system for the 2011-2019 GM 2500HD/3500HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50 to 3.00-inch mandrel bent pipes for better exhaust gas flow. This system exits with dual 4.00-inch black stainless steel tips for added style and a custom look. Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Fits extended cab or crew cab models with the 6.5 foot bed only. Backed by Flowmaster's Lifetime Limited Warranty.

50-inch to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
00-Inch black stainless steel tips add a custom look to the truck
Includes complete hardware and factory styled hangers in the stock locations for an easy installation
Flow FX “Straight Through” muffler delivers and aggressive to moderate sound level with increased performance
Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock

Specifications

Brand	Flowmaster
California Proposition 65	Yes
California Proposition 65 Chemical Name	Nickel (Metallic)
CARB (California) Compliant	Yes
Catalytic Converter Included	No
Catalytic Converter Quantity	0
Category	Exhaust
Clamping Type	Flat Band
Clamps Included	Yes
Emission Code	5
Exhaust Series	Flow FX
Exhaust Tip Color	Black
Exhaust Tip Connection	Clamp-On
Exhaust Tip Cut	Angled
Exhaust Tip Diameter	4.00
Exhaust Tip Edge	Angle Cut
Exhaust Tip Finish	Black Ceramic Coating
Exhaust Tip Intercooled	No
Exhaust Tip Length	13.00
Exhaust Tip Material	304 Stainless Steel
Exhaust Tip Quantity	2
Exhaust Tip Resonated	No
Exhaust Tip Shape	Round
Exhaust Tip Wall	Double Wall
Exit Style	Dual Out Side
Finish	Natural
Gasket Or Seal Included	No
Grade Type	Performance
Hangers Included	Yes
Inlet Type	Flanged
Main Piping Diameter	3.00
Mount Type	Uses Factory Hangers
Mounting Bracket Included	Yes
Muffler Body Height	5.00
Muffler Body Length	18.00
Muffler Body Material	409 Stainless Steel
Muffler Body Shape	Oval
Muffler Body Width	10.00
Muffler Color	Silver
Muffler Finish	Natural
Muffler Flanged Inlet	No
Muffler Flanged Outlet	No
Muffler Included	Yes
Muffler Inlet Connection	Slip-Fit
Muffler Inlet Inside Diameter	3.50
Muffler Inlet Location	Center
Muffler Inlet Outside Diameter	3.13
Muffler Outlet Connection	Slip-Fit
Muffler Outlet Diameter	3.00
Muffler Outlet Location	Dual
Muffler Outlet Quantity	2
Muffler Overall Length	24.00
Muffler Part Number	Kit Only
Muffler Quantity	1
Muffler Series	Flow FX
Muffler Type	Absorption
part type	Exhaust System
Pipe Color	Silver
Pipe Material	409 Stainless Steel
Product Type	Exhaust System
Sound Level	Aggressive / Moderate
Spring Bolt Kit Included	No
Sub Category	Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter	2.50
Tail Pipe Quantity	2
Tail Pipe Tapered Outlet	No
Tip Logo	Embossed
Type	Cat-Back
Valve Included	No
Valve Type	Not Applicable
Warning	California Proposition 65

Packaging Information

Weight: 74 lbs
Dimensions: 58 x 16.5 x 11.7 IN

Safety

⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information visit www.P65Warnings.ca.gov

Warranty

View Warranty (PDF)

Installation Instructions

View Installation Instructions (PDF)

⚠ Fitment Notes

Black Ceramic Tip Finish
2011-2019 GM 2500HD/3500HD trucks with the 6.0-liter engine. Fits extended cab or crew cab models with 6.5 foot bed only. May not fit with some fifth wheel hitches.