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  • Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
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Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
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Load image into Gallery viewer, Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
Load image into Gallery viewer, Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
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Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704

Exhaust, Mufflers & Tips Catback
Flowmaster
flo817704
Special order
September 23, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$896.96 $1,124.95
This Force II® Cat-back exhaust system for 2015-2020 Chevy Tahoe and GMC Yukon is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions-legal system for the 5.3L engine features all stainless steel mandrel-bent tubing flowing into a Super 50™ Series muffler and a mandrel-bent 3.00-inch stainless steel tailpipe for maximum performance. The system also features a polished 5.5-inch x 3.5-inch oval stainless steel tip with the Flowmaster logo embossed into it. The exhaust system is covered by our Lifetime Limited Warranty and designed for an easy fit and includes all necessary parts and hardware for installation. Note: Does Not fit Yukon XL Fits 2015-2020 Chevrolet Tahoe and GMC Yukon with 5.3L engine. Note: Does Not fit Yukon XL Features & Benefits Super 50 Series Performance Muffler Mandrel-bent Stainless Steel Tubing Large Polished Stainless Steel Tip Uses the Factory Hanger Locations Stainless Steel Construction Minimal Interior Resonance Lifetime Limited Warranty
Flowmaster 15-20 F150 2.7L/3.5L/5.0L American Thunder SS Cat-Back Exhaust System - 817725
Flowmaster 15-20 F150 2.7L/3.5L/5.0L American Thunder SS Cat-Back Exhaust System - 817725
$1,318.95 $1,051.25
Flowmaster 09-14 Ford F150 V8 Outlaw SS Cat-Back Exhaust System - 817691
Flowmaster 09-14 Ford F150 V8 Outlaw SS Cat-Back Exhaust System - 817691
$1,406.95 $1,121.21
Flowmaster 15-20 GM Tahoe/Yukon 5.3L Force II Cat-Back SS Exhaust System - 817704
SKU: flo817704
Product Details

Everything You Need To Know

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

Product Info

This Force II® Cat-back exhaust system for 2015-2020 Chevy Tahoe and GMC Yukon is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions-legal system for the 5.3L engine features all stainless steel mandrel-bent tubing flowing into a Super 50™ Series muffler and a mandrel-bent 3.00-inch stainless steel tailpipe for maximum performance. The system also features a polished 5.5-inch x 3.5-inch oval stainless steel tip with the Flowmaster logo embossed into it. The exhaust system is covered by our Lifetime Limited Warranty and designed for an easy fit and includes all necessary parts and hardware for installation. Note: Does Not fit Yukon XL

Fits 2015-2020 Chevrolet Tahoe and GMC Yukon with 5.3L engine. Note: Does Not fit Yukon XL

Features & Benefits

  • Super 50 Series Performance Muffler
  • Mandrel-bent Stainless Steel Tubing
  • Large Polished Stainless Steel Tip
  • Uses the Factory Hanger Locations
  • Stainless Steel Construction
  • Minimal Interior Resonance
  • 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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