Skip to content
4xPerformanceParts, Championship Winning Knowledge
HOME
STORE
STORE
79-93 Mustang
79-93 Mustang
4x PACKAGES
Brakes
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
94-95 Mustang GT
94-95 Mustang GT
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
96-04 Mustang
96-04 Mustang
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
03-04 Cobra
03-04 Cobra
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
05-10 Mustang GT
05-10 Mustang GT
Computer Tuning
Drivetrain
Engine Accessories
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Rear Suspension
Tires
Transmission
11-14 GT & BOSS
11-14 GT & BOSS
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Induction
Rear Suspension
Power Adder
Tires
Transmission
15-17 Mustang GT
15-17 Mustang GT
Bushings
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Fuel Delivery
Hardcore/Safety
Headers
Induction
Rear Suspension
Power Adder
Tires
Transmission
18-23 Mustang GT
18-23 Mustang GT
Bushings
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Fuel Delivery
Hardcore/Safety
Headers
Induction
Suspension
Power Adder
Tires
Transmission
24 Mustang GT
24 Mustang GT
Bushings
Drivetrain
Engine Accessories
Hardcore/Safety
Suspension
Transmission
15-20 GT350
15-20 GT350
Bushings
Computer Tuning
Drivetrain
Engine Accessories
Exhaust
Fuel Delivery
Hardcore/Safety
Rear Suspension
Transmission
07-14 Shelby GT500
07-14 Shelby GT500
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Fuel Delivery
Hardcore/Safety
Rear Suspension
Tires
Transmission
20-22 GT500
20-22 GT500
Computer Tuning
Engine Accessories
Exhaust
Fuel Delivery
Hardcore/Safety
Rear Suspension
20-24 C8 Corvette
20-24 C8 Corvette
Engine Accessories
Exhaust
Induction
INFORMATION
INFORMATION
About 4x
Contact Tech Support
Vendors
Policies
GIFT CARDS
Log in
HOME
STORE
79-93 Mustang
4x PACKAGES
Brakes
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
94-95 Mustang GT
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
96-04 Mustang
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
03-04 Cobra
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Rear Suspension
Power Adder
Tires
Transmission
05-10 Mustang GT
Computer Tuning
Drivetrain
Engine Accessories
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Rear Suspension
Tires
Transmission
11-14 GT & BOSS
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Front Suspension
Fuel Delivery
Hardcore/Safety
Headers
Induction
Rear Suspension
Power Adder
Tires
Transmission
15-17 Mustang GT
Bushings
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Fuel Delivery
Hardcore/Safety
Headers
Induction
Rear Suspension
Power Adder
Tires
Transmission
18-23 Mustang GT
Bushings
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Fuel Delivery
Hardcore/Safety
Headers
Induction
Suspension
Power Adder
Tires
Transmission
24 Mustang GT
Bushings
Drivetrain
Engine Accessories
Hardcore/Safety
Suspension
Transmission
15-20 GT350
Bushings
Computer Tuning
Drivetrain
Engine Accessories
Exhaust
Fuel Delivery
Hardcore/Safety
Rear Suspension
Transmission
07-14 Shelby GT500
Computer Tuning
Drivetrain
Engine Accessories
Engine Internals
Exhaust
Fuel Delivery
Hardcore/Safety
Rear Suspension
Tires
Transmission
20-22 GT500
Computer Tuning
Engine Accessories
Exhaust
Fuel Delivery
Hardcore/Safety
Rear Suspension
20-24 C8 Corvette
Engine Accessories
Exhaust
Induction
INFORMATION
About 4x
Contact Tech Support
Vendors
Policies
GIFT CARDS
Search
Log in
Cart
Item added to your cart
View cart
Check out
Continue shopping
Collection:
2011-2014 Mustang GT/BOSS Headers
Stainless Works 2011-14 Mustang GT/BOSS Headers 1-7/8in Primaries High-Flow Cats 3in X-Pipe M11HDRCATX
Stainless Works 2011-14 Mustang GT/BOSS Headers 1-7/8in Primaries High-Flow Cats 3in X-Pipe M11HDRCATX
Regular price
$2,590.65 USD
Regular price
Sale price
$2,590.65 USD
Unit price
/
per
Choosing a selection results in a full page refresh.
Opens in a new window.
