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Vehicle Info NeededBORLAPART NUMBER: 157-11799
Axle-Back Exhaust System 2011-2012 Mustang Shelby GT500
$1,29999
Ships on 09/08/2026
Lowest Price GuaranteeFord Axle-Back Exhaust Systems
- Axle-Back Exhaust System
- 2011-2012 Mustang Shelby GT500
- Split Rear Exit
- Single Round, Rolled Angle-Cut Tips
- "ATAK" Mufflers
- Made From High Quality Austenitic Stainless Steel
- Mandrel Bent Pipes
- Ensures Consistent Diameter Through Each Curve
- Mufflers Have No Baffles/Chambers
- Produces High Velocity
- Million Mile Warranty
Top of the Line Cat/Axle-Back Exhaust Systems
Borla Cat-Back and Axle-Back exhaust systems are unrivaled in the industry. Mandrel-bends and 100-percent T-304 aircraft quality stainless steel provide optimal exhaust flow and durability. You may choose from three muffler designs, giving you the option of going full-blown race-car sound or a calmer, throaty level. Each system is an exact fit and has heavy-duty construction while bringing you an exhilarating exhaust noise, making this the last exhaust system you buy.
Part TypeExhaust System
Product LineBorla Street Performance Exhaust Systems
BrandBORLA
Package Height13.0
Package Width20.75
Package Length36.0
Weight32.55 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Tailpipe Diameter (In.)2.75
Exhaust Tip FinishBright Chrome On T-304 Stainless Steel
Tip Diameter4.500 in.
Exit PositionSplit Rear
Tip CutSlant
Muffler FinishNatural
Exit LocationRear
Muffler StyleTurbo
Inlet QuantityTwo
Tip Outlet Size4.5 in (114.3 mm)
Outlet Outside Diameter4.000 in.
Muffler MaterialStainless steel
ConstructionAll Welded
Tip IncludedYes
Pipe Diameter2.750 in.
System TypeAxle Back
QuantitySold as a kit
MaterialT-304 Stainless Steel
System FinishNatural
Muffler IncludedYes
Muffler QuantityTwo
System StyleRear axle-back
Off Road Use OnlyNo
Muffler ConfigurationSingle inlet/Single outlet
Inlet Inside Diameter4.000 in.
System MaterialStainless steel
Exit QuantityTwo
Exhaust Pipe MaterialStainless Steel
Tubing Diameter2.750 in.
Tip MaterialStainless steel
Tip Edge StyleRolled edge
Tip QuantityDual
Tip ShapeRound
Part FitmentDirect Fit
Exhaust TypeAxle-Back System
Vendor Part Number11799
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
