- These are the ONLY Performance Step Headers On The Market - Primarie Tubes start at 1-3/4" and step to 1-7/8"
- 3" Collectors
- 304 Stainless Steel
- 27 Horsepower Increase
- Requires Use of Pypes Short X-Pipe PN PYP-XFM76
- Tune May Be Required
Increase your 2011-14 Mustang GT's horsepower and Torque with these Pypes 2 3/4" stainless steel long tube headers. These long tube step headers will give your Mustang an aggressive exhaust note while increasing your throttle response and horsepower. Testing of these new long tube headers has shown a 45 HP and 19 tq to the Wheels gain over Ford's stock headers.
Pypes 2011 Mustang GT long tube headers feature mandrel bent 304 stainless steel tubing. Mandrel bends create optimum exhaust flow for maximum horsepower. These long tube headers require the use of Pypes short x-pipe PN PYP-XFM76. Due to oxygen sensor relocation a tune may be required after installation. New gaskets and hardware are included but not recommended.