The Brenspeed Stage 4 Saleen upgrade is not intended for use on cars with a stock engine.  The information is provided for reference.   Please call or contact Brenspeed with any questions.

Brenspeed custom Saleen Stage 4 upgrade package.
FITS 05-2010 MUSTANG GT equipped with a Saleen series VI supercharger package

Our turn key Saleen Stage 4 supercharger upgrade package is a complete kit that includes everything you need to convert your current Saleen supercharger to make 580+ flywheel horsepower. You get a 3.0 pulley producing 11-13 psi of boost (boost varies based off of RPM and altitude), belt, Saleen Extreme Cold Air Kit, 39 lb. injectors, FRPP GT500 fuel system, gapped HT0 spark plugs, Vacuum line kit that improves fuel system efficiency, and a custom Brenspeed tuned SCT X3 programmer.

Considering going for all out horsepower in the future? Upgrade to our Brenspeed high horsepower mass airflow induction system for only $299! This system will replace the Steeda induction and you will be provided with a high flow inlet pipe, high flow filter and heat shield, and mass air capable of supporting over 900 HP! (Call for details)

Due to the high amount of torque this package is capable of we recommend an upgraded short block. Check out our Brenspeed B302 engine option

Call Our Sales Team With Your Saleen Related Questions! We run Saleen superchargers on several of our Brenspeed owned shop cars.

Brenspeed supercharger packages estimated horsepower is based off of 93 octane fuel. We can tune for any premium fuel available in any country.

Convenient 0% interest Financing Available!

We know how hard it can be to come up with a large amount of money to get that Mustang part you have been wanting. To help solve this problem we have found a great way to get your part now and pay later. Brenspeed can now offer financing options for your performance part and even installation!

The process is simple. Just call us and we can go over your options and how to get 3 months, 6 months, or even 12 months same as cash with 0% interest. Now you can get that intake and tuner or even supercharger now and pay for it later. Even if you do not choose to pay the financing off in say 3, 6, or 12 months GE Money will turn your 3, 6, or 12 month same as cash into a monthly payment with a set interest rate.

The entire approval process only takes 5 minutes once we receive your application. Once you are approved we provide you with your product or service immediately. Call us to receive an application and get all the details on this easy to use financing option.

Call us at 574.594.9559 and simply ask for a financing application. We can answer any further questions you may have at that time.