03 04 Cobra Performance Package

’03-04 Cobra performance package adds 70-85 rwhp!

This package adds a significant (and very noticeable seat-of-the-pants) amount of torque and horsepower across the entire RPM band for the supercharged 4.6L ’03-04 Mustang Cobra.

This economical entry-level package provides proven horsepower gains of 70 – 85 at the rear wheels!

We are consistently turning out ’03-04 Cobras making 435 – 440 RWHP using this basic package and conservative and responsible tuning.

This ’03-04 Cobra Performance Package consists of:

  1. •Smaller upper blower pulley for a 3.5 – 4 psi boost increase

  2. •K&N Filter charger kit

  3. •FlowMaster 40 series Delta-Flo mufflers custom installed and welded in place

  4. •Alternative Auto custom chip – to accommodate the increased boost, turn cooling fan on earlier and additional calibration enhancements

  5. •Dyno time before and after all work has been performed to validate performance gains and fine tune custom chip

Total cost of this package fully installed with parts is $1395.00.

Even More Power
For an additional gain of about 15-20 more Rear-Wheel-horsepower, putting an ’03-04 Cobra at an easy 450-460 RWHP – a BBK X-pipe with two high-flow cats can be installed to further compliment the above entry level package.
The BBK X-pipe with cat’s is an additional $625.00 installed.

We offer more options above and beyond what is listed here to achieve as much as 500+ RWHP using the stock Eaton Supercharger on the ’03-04 Cobras.

Call the shop for an appointment or more details.