1-866-464-6553
Videos
Flowmaster

Flowmaster American Thunder Axle-back Exhaust System

Part # 817460 Be the first to write a review

2005-2010 Ford Mustang GT, GT500, California Special with 4.6L, 5.4L engine. - Aggressive to moderate sound

Flowmaster American Thunder Axle-back Exhaust System

Estimated Ship Date: 06/16/2025
Find Similar In-Stock Items
Free Shipping
$599.95
Add to Wishlist
Notify Me When Available

Does it fit my vehicle?
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
This American Thunder axle-back exhaust system for the 2005-2010 Ford Mustang GT, GT500, California Special, coupes and convertibles with the 4.6L or 5.4L engine. This system is perfect for the person looking for a moderately aggressive exterior and moderate interior sound level with all of the performance benefits that you would expect from Flowmaster. Features include 2.50-inch mandrel-bent stainless steel tubing flowing into a pair of Super 44 Series performance mufflers for maximum performance and that iconic deep aggressive sound. The system uses the factory hangers for ease of installation and is finished off with a pair of polished 4.00-inch stainless steel tips embossed with the Flowmaster logo. Designed for easy installation, this system includes all necessary parts, hardware and is covered by our Lifetime Limited Warranty.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Moderately Aggressive Exterior Exhaust Tone
  • Large 4.00-inch Polished Stainless Steel Tips
  • Dyno Tuned for Maximum Performance
  • Super 44 Series Performance Mufflers
  • Uses the Factory Hanger Locations
  • Quick and Easy Installation
2WD/4WD2WD
Brand Flowmaster
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedYes
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 PositionDual Out Rear
Exit StyleDual Out Rear
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter2.50 IN
Inlet TypeClamp-On
Main Piping Diameter2.50 IN
Material409 Stainless Steel
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 Diameter2.50 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 Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter2.50 IN
Muffler Inlet Outside Diameter2.63 IN
Muffler Outlet Quantity1
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 44 Series
Muffler TypeChambered
Outlet Diameter2.50 IN
part typeExhaust System Kit
Pipe Material409 Stainless Steel
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
Sub CategoryExhaust and Tail Pipes
System TypeAxle-back
Tail Pipe Quantity2
Tail Pipe Tapered OutletNo
Tip Diameter4.00 IN
Tip Quantity2
Tip ShapeRound
Tubing Diameter2.50 IN
TypeAxle-Back
Valve IncludedNo
Valve TypeNot Applicable
UPC700042022199
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817460
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 - 817460_instructions.pdf
Instructions - fm_warranty_general.pdf
Fits 2005-2010 Ford Mustang GT, GT500, California Special, coupes and convertibles with 4.6L or 5.4L engine.

We Suggest

Reviews

    Your Review

    *Free Shipping & Handling only offered to the contiguous US on orders over $1490, excludes clearance parts and oversized packages.

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