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Flowmaster 817603 - Cat-back System 409S - Single Side Exit - Force II - Moderate Sound

Flowmaster  |  MPN: 817603  |  SKU: FLO-817603
$86595 $1,08395

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Description

Flowmaster 817603 - Cat-back System 409S - Single Side Exit - Force II - Moderate Sound

Flowmaster Force II Cat-back Exhaust System

Force II Cat Back System; Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series™ Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel;

This Force II(R) Cat-back stainless steel exhaust system is designed for 2011-2018 Chevrolet Silverado and GMC Sierra 1500 trucks with the 6.2L engine. Features include large 3.50-inch mandrel-bent tubing flowing into a Flowmaster 50 Series Big Block(TM) muffler for a muscular exterior sound, while the built-in Helmholtz chamber helps control the interior resonance. The system uses the factory hanger locations for an easy installation and is finished off with a highly polished 4.00-inch 304 stainless steel tip embossed with the Flowmaster(R) logo. This bolt-on system delivers noticeable performance gains while offering moderate interior and exterior sound levels and is covered by our Lifetime Limited Warranty.

  • Mandrel Bent 16ga 409 Stainless Tubing
  • Limited Lifetime Warranty
  • Moderate Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Axle Back System
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality

Exhaust Series: Force II
Exhaust Type: Single
Exit Position: Single Side
Exit Style: Straight
Heat Shield Attached: No
Inlet Diameter: 3.500 in.
Inlet Inside Diameter: 3.500 in.
Material: Stainless Steel
Muffler Count: 1
Muffler Part Number: Kit Only
Muffler Series: 50 Series Big Block
Outlet Diameter: 3.500 in.
Outlet Outside Diameter: 4.000 in.
Single or Dual: Single
Sound Level: Moderate
System Type: Cat Back
Tail Pipe Diameter: 3.500 in.
Tip Diameter: 4.000 in.
Tip Quantity: 1
Tubing Diameter: 3.500 in.

FITMENT DATA

Year
Make
Model
Submodel
Notes
2015 - 2018
Chevrolet
Silverado 1500
High Country
Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011 - 2013
Chevrolet
Silverado 1500
LT
Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011 - 2018
Chevrolet
Silverado 1500
LTZ
Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2013, 2015 - 2018
GMC
Sierra 1500
Denali
Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011 - 2013
GMC
Sierra 1500
SLE
Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant
2011 - 2018
GMC
Sierra 1500
SLT
Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant

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