Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededFLOWMASTERPART NUMBER: 389-717827
717827 Flow FX Axle-Back Exhaust System; 2005-2010 Ford Mustang GT, Shelby GT, GT500
$58495
Ships on Sep 14, 2026
Lowest Price GuaranteeFlow FX Axle-Back Exhaust System2005-2010 Ford Mustang GT, Shelby GT, GT500, California Special and Bullitt cars with 4.6L and 5.4L engines Sound Level: Aggressive To Moderate Sound Sold Individually
FLOWMASTER MUFFLERS 717827 Features:
Introducing our new FlowFX Axle-back exhaust system for 2005-2010 Ford Mustang GT, Shelby GT, GT500, California Special and Bullitt cars with the 4.6L and 5.4L engines. Features include dual 3.00-inch mandrel-bent stainless steel tubing running into a pair of compact round FlowFX "straight-through" performance mufflers for a deep tone. The large 3.00-inch core mufflers provide maximum performance, are constructed from bright 409S stainless steel and utilize the factory hanger locations for an easy installation. The mufflers are finished off with large 4.50-inch black ceramic coated stainless steel tips filling out the factory exhaust cutouts in the lower valance. Designed for easy installation, includes all necessary parts, hardware, and detailed instructions. Covered by our Lifetime Limited Warranty. Notes: Includes GT500KR models.- FlowFX "Straight-through" Large Core Performance Mufflers
- Large 4.50-inch Black Ceramic Coated Stainless Steel Tips
- Mandrel-bent Stainless Steel Construction
- Dyno-tuned for Maximum Performance
- Uses the Factory Hanger Locations
- Lifetime Limited Warranty
- Quick & Easy Installation
- Deep Powerful Sound
Part TypeExhaust System
BrandFLOWMASTER
Package Height14.0
Package Width14.0
Package Length35.0
Weight30.0 PG
Muffler Body Diameter4 in.
Muffler Inlet Inside Diameter3 in.
Hangers IncludedYes
Main Piping Diameter3 in.
Tail Pipe QuantityDual
Inlet TypeClamp-On
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Muffler Body Length14 in.
Sound LevelAggressive / Moderate
Muffler Body Material409 Stainless Steel
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Exhaust Tip IntercooledNo
Pipe ColorSilver
Muffler Quantity2
Muffler Inlet Outside Diameter3.13 in.
Muffler Flanged OutletNo
Exhaust Tip ResonatedNo
Catalytic Converter IncludedNo
Heat Shield IncludedNo
Part CategoryPerformance Parts
Exhaust Tip WallSingle Wall
Exhaust Tip Quantity2
Exhaust Tip FinishBlack Ceramic Coating
Exhaust Tip EdgeRolled Edge
Valve IncludedNo
Muffler TypeAbsorption
Pipe Material409 Stainless Steel
Muffler Body Width4 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeRound
Mounting Bracket IncludedNo
Muffler Outlet Quantity1
Muffler FinishNatural
Mount TypeUses Factory Hangers
Clamps IncludedYes
FinishNatural
Exit StyleDual Out Rear
Muffler Body Height4 in.
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler SeriesFlow FX
Muffler IncludedYes
Exhaust Tip ConnectionWelded
Tail Pipe Outlet Outside Diameter3 in.
Valve TypeNot Applicable
Exhaust Tip Diameter4.50 in.
Part FitmentDirect Fit
Vendor Part Number717827
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
