Skip to main content
Iconic Heritage - 10% Off Thousands of products
Motor Life Events Community Support
Videos
Flowmaster

Flowmaster American Thunder Axle-back Exhaust System

Part # 817588 Be the first to write a review

2013-2014 Ford Mustang GT 5.0L Coupes & Convertibles. - Aggressive sound

Flowmaster American Thunder Axle-back Exhaust System

In Stock
Free Shipping - Lower 48 US States
Advertised Price $749.95
$673.95
Save $76.00
Add to Wishlist

Delta Flow
5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

See Emissions Details
The Flowmaster® American Thunder® Axle-back exhaust system for the 2013-2014 Ford Mustang GT is perfect for the person looking for an aggressive sound level outside of the car with a moderate interior tone at different rpms. This bolt-on emissions-legal system is for cars with the 5.0L engine and features 3.00-inch mandrel-bent tubing flowing into a pair of Super 44™ Series performance mufflers with 3.00-inch tailpipes for maximum performance and a deep powerful sound. The system is constructed from 409 stainless steel, uses the factory hanger locations and features large 4.00-inch polished stainless steel tips for a refined look. The system is covered by our Flowmaster Lifetime Limited Warranty and is designed for an easy fit and includes all necessary parts and hardware for installation. Note: This system fits coupes and convertibles.

Features:

  • Large 4.00-inch Polished Stainless Steel Tips
  • Dyno Tuned For Maximum Performance
  • Large 3.00-inch Mandrel-bent Tubing
  • Uses the Factory Hanger Locations
  • Super 44 Performance Mufflers
  • Stainless Steel Construction
  • Quick and Easy Installation
  • Lifetime Limited Warranty

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Brand Flowmaster
California Proposition 65Yes
CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedYes
Drive2WD
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ColorSilver
Exhaust Tip ConnectionWelded
Exhaust Tip CutAngled
Exhaust Tip Diameter4.00 IN
Exhaust Tip EdgeRolled Edge Angle Cut
Exhaust Tip FinishPolished
Exhaust Tip IntercooledNo
Exhaust Tip Length5.25 IN
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallSingle Wall
Exit StyleDual Out Rear
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet Diameter2.75 IN
Inlet TypeClamp-On
Main Piping Diameter3.00 IN
Mounting Bracket IncludedNo
Muffler (Left) Body Height4.00 IN
Muffler (Left) Body Length13.25 IN
Muffler (Left) Body Width9.50 IN
Muffler (Left) TypeChambered
Muffler (Right) Body Height4.00 IN
Muffler (Right) Body Length13.25 IN
Muffler (Right) Body Width9.50 IN
Muffler (Right) TypeChambered
Muffler Body Diameter9.75 IN
Muffler Body Height4.00 IN
Muffler Body Length13.00 IN
Muffler Body Material409 Stainless Steel
Muffler Body ShapeOval
Muffler Body Width9.50 IN
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler IncludedYes
Muffler Inlet Inside Diameter3.00 IN
Muffler Inlet Outside Diameter3.00 IN
Muffler Outlet Quantity1
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 44 Series
Muffler TypeChambered
Part TypeExhaust System
Pipe ColorBlack
Pipe Material409 Stainless Steel
Product TypeExhaust System
Sound LevelAggressive
Spring Bolt Kit IncludedNo
Sub CategoryExhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter3.00 IN
Tail Pipe Quantity2
Dual
Tail Pipe Tapered OutletNo
TypeAxle-Back
Valve IncludedNo
Valve TypeNot Applicable
UPC700042027576
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
Part Number817588
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions - Flowmaster Warranty 26 Update.pdf
Instructions - 817588.pdf
Fits 2013-2014 Ford Mustang GT 5.0L Coupes & Convertibles.
Reviews

    Your Review

    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.

    Flowmaster American Thunder Axle-back Exhaust System
    Flowmaster American Thunder Axle-back Exhaust System
    Advertised Price $749.95
    $673.95
    Save $76.00