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  • Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
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Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
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Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931

Exhaust, Mufflers & Tips Catback
Flowmaster
flo717931
Only 2 left
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$869.36 $1,012.95
The new Flowmaster® Flow FX® cat-back exhaust system for the 2011-2019 GM Silverado/Sierra 2500/3500 HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50-inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +21 hp and +23 lb-ft at the rear wheels. This system exits out the side, behind the rear wheel with a 5.00-inch black ceramic tip for added style and a custom look. 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. This exhaust system was designed for Crew Cab Short Bed trucks with the 6.5-foot bed and is backed by Flowmaster's Lifetime Limited Warranty. Fits Crew Cab trucks with a 6.5' bed. Features & Benefits Flow FX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow 3.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability Includes complete hardware and factory styled hangers in the stock locations for an easy installation Max...
Flowmaster 14-25 RAM 2500 6.4L Direct Fit FlowFX Exhaust System - 717941
Flowmaster 14-25 RAM 2500 6.4L Direct Fit FlowFX Exhaust System - 717941
$479.95 $399.72
Flowmaster 20-25 GM 2500/3500HD 6.6L FlowFX Cat-Back Exhaust System - 717927
Flowmaster 20-25 GM 2500/3500HD 6.6L FlowFX Cat-Back Exhaust System - 717927
$843.95 $703.76
Flowmaster 11-19 GM 2500 6.0L FlowFX Cat-Back Exhaust System - 717931
SKU: flo717931
Product Details

Everything You Need To Know

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

Product Info

The new Flowmaster® Flow FX® cat-back exhaust system for the 2011-2019 GM Silverado/Sierra 2500/3500 HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50-inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +21 hp and +23 lb-ft at the rear wheels. This system exits out the side, behind the rear wheel with a 5.00-inch black ceramic tip for added style and a custom look. 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. This exhaust system was designed for Crew Cab Short Bed trucks with the 6.5-foot bed and is backed by Flowmaster's Lifetime Limited Warranty.

Fits Crew Cab trucks with a 6.5' bed.

Features & Benefits

  • Flow FX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
  • 3.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Max increases of up to 21 hp and 23 lb-ft over the stock exhaust at the rear wheels
  • 5.00-inch black ceramic coated tip adds a custom look to the truck
  • Backed by Flowmaster’s lifetime limited warranty
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In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

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.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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