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Home / Exhaust / Catback / Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System
Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System
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Flowmaster

Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System

PART 717986CATEGORY Catback
$699.95
MSRP $787.95You save $88.00
$699.95
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Product description

Fits 2015-2020 GM Tahoe/Yukon 5.3L, Flow FX Cat-Back, Dual Out Same Side Exit, Stainless Steel Exhaust System

Flowmaster Flow FX Cat-Back Exhaust System

Features

3.00-inch to 2.50-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

Flow FX series muffler delvers a moderate sound level with increased performance

Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels

Dual 3.50-inch black stainless steel tips add a custom look

Backed by Flowmaster’s Lifetime Limited Warranty

Manufacturer notes

Fits 2015-2020 GM Tahoe/Yukon with the 5.3-liter engine.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catback
UPC / barcode
090127140079
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System

1520 GM TAHOEYOKON 53L FFX DOSS

SYS 15-20 GM TAHOE/Y

About the manufacturer

This Flowmaster® Flow FX® cat-back exhaust system for the 2015-2020 Chevrolet Tahoe and GMC Yukon with the 5.3-liter engine is manufactured using durable 409 stainless steel throughout and features 3.00-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow. This system exits out the side with dual 3.50-inch black stainless steel tips for added style and a custom look. Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels. 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. Backed by Flowmaster's Lifetime Limited Warranty.

Additional manufacturer information

SYS 15-20 GM

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Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System | Q40 Motorsports