RPM Outlet - We Take The Guesswork Out Of Performance Parts!
  PERFORMANCE OPTIONS
  COOLING OPTIONS
  ENGINE OPTIONS
  IGNITIONS / SPARK PLUG OPTIONS
  DYNO PROVEN TO PROVIDE THE LARGEST HORSEPOWER GAINS FOR YOUR 03-04 MACH I MUSTANG
 RPM OUTLET.COMSTRATEGY

In keeping with our goal of providing our customers with the best possible value, we have tested a large group of components specifically designed for the 4.6L 4V Mod Motor.

We have invested many hours evaluating and refining each of the 4.6L products on our chassis “dyno”, to ensure that we could develop as much power as possible, as safely as possible.

The site menu on the left side of this page, lists the clear winners when it comes to “performance vs. dollar” value. Please check back often as we are always developing new ways to create more horsepower.




ACCUFAB Billet TWIN 60mm THROTTLE BODY
For The 99-01 4.6L 4V COBRA/BULLETT/ 03-04 MACH 1

If you want to find the true potential of your Mustang 4.6L 4 valve engine you're going to have to feed it some air. The new ACCUFAB Billet pilished aluminum throttle body will completely change the way your car feels and performs. You will not only experience a snappy throttle response and improved air induction but you will also gain 15 to 18 RWHP gain.

ACCUFAB Twin 60mm billet aluminum throttle body is machined to exact tolerance thus making the throttle response ultra smooth from idle to wide open throttle. The linkage mechanism and twin 60mm butterflies are machined from virgin brass providing a precise fit and function. It also has larger than stock sealed bearings for smooth action.


Bolt-On 18+ Horsepower In Just Minutes
    ACCUFAB Twin 60mm Throttle Body Feature:

  • 4130 High strength Chrome Molly shaft.

  • Ultra thin throttle plate to maximize air flow.

  • CNC machined from 6061 billet aluminum.

  • Stainless steel split shaft for a precise fit and longevity.

  • Units are designed as a direct-replacement and require no additional modifications.

  • Includes detailed instructions and all necessary installation hardware. No additional fabrication required!

Installation is fast and simple taking only 15 minutes with basic hand tools. If you've never done it before, you can install this product with complete confidence

Fits 99-01 4.6L 4V COBRA/BULLETT/ 03-04 MACH 1, 5-speed/automatic vehicles
Part # Year Description Price
ACCCTB99-01 99-04
    ACCUFAB Twin 60mm THROTTLE BODY
  • 03-04 MACH 1
  • 99-01 4.6L 4V COBRA
$ 349.95

Click-On Price to Order





BBK TWIN 62 -or- 65mm THROTTLE BODY
for the 4.6L 2V-4V GT & (96-04) COBRA/BULLETT/MACH 1

Does your engine seem like it's out of breath? Now you can stop that "wheezing" sound with any of the high-air-flow throttle bodies listed below. Made of true cut polished CNC billet aluminum (Accufab), or precision castings (MAC), these new throttle bodies are designed to use the stock TPS and IAC to simplify installation. They also include all the necessary vacuum ports and linkage to facilitate easy installation.




BBK TWIN 62mm, THROTTLE BODY For The 96-02 4.6L 4V

Bolt-On 10+ Horsepower In Just Minutes

    BBK BBK TWIN 62mm, Throttle Body Feature:

  • Bolt-On 8 to 10 horsepower in just minutes

  • Cast from the highest quality aluminum

  • State-of-the-art CNC machining

  • Improved throttle response

  • C.A.R.B. Exempt

  • Direct-replacement and require no other modifications


Part # Year Engine Size Description Price
BBK1705 96-04 4.6L 4v Twin 62mm  BBK, Twin 62mm 4.6 4-V Aluminum Throttle Body $ 299.95
BBK17110 96-04 4.6L 4v Twin 65mm  BBK, Twin 65mm Cast Aluminum Throttle Body $ 349.95

Click-On Price to Order




MASS AIR FLOW HOUSINGS (MAF), MAF ADAPTOR KITS, ADAPTORS, HOSES

Looking for more airflow ? Got a few minutes? Then you’ve got all the time you need tp enhance your midrange power, torque and fuel efficiency. Our selection of mass air meter housings listed below will help you select the right meter housing for your application.

    2001-2004 V8 4.6/5.4L

  • OEM 90mm Housing: 960 CFM
  • NEW 95mm Housing: 1600 CFM

  •                   $ 135.00

    2002-2004 V8 4.6L Mustangs

  • OEM 80mm Housing: 810 CFM
  • NEW 85mm Housing: 1200 CFM

  •                   $ 75.00

    1999-2001 V8 4.6L Mustangs

  • OEM 80mm Housing: 670 CFM
  • NEW 80mm Housing: 900 CFM

  •                   $ 100.00

    2001-2004 V6 3.8L Mustangs

  • OEM 70mm Housing: 550 CFM
  • NEW 73mm Housing: 700 CFM

  •                   $ 125.00

    1994-2000 V6 3.8L Mustangs

  • OEM 70mm Housing: 550 CFM
  • NEW 73mm Housing: 700 CFM

  •                   $ 125.00

New from RPM Outlet.com
New from RPM Outlet.com



  MAF ADAPTOR KITS, ADAPTORS, HOSES
    80mm/90/95mm Adaptor Kit

  • Works with all meter housings
  • (1) 4.0' Blue Hose
  • (1) Aluminum Adapter Ring
  • (4) Gasket, Nuts, Bolts


  • $ 50.00
click-here for BUY NOW link to order
    70mm/75mm Adaptor Kit

  • Works with all meter housings
  • (1) 4.0' Blue Hose
  • (1) Aluminum Adapter Ring
  • (4) Gasket, Nuts, Bolts


  • $ 60.00
click-here for BUY NOW link to order
    80mm/90/95mm Adaptor

  • (1) Aluminum Adapter Ring
  • (4) Gasket, Nuts, Bolts


  • $ 40.00
click-here for BUY NOW link to order
    70mm/75mm Adaptor

  • (1) Aluminum Adapter Ring
  • (4) Gasket, Nuts, Bolts


  • $ 50.00
click-here for BUY NOW link to order
    4.5/4.5' Blue Hose (only)

  • (1) 4.5/4.5' Blue Hose
  • (2) Stainless clamps


  • $ 8.00
click-here for BUY NOW link to order
    4.0' Blue Hose (only)

  • (1) 4.0'x 4.0' Blue Hose
  • (2) Stainless clamps


  • $ 8.00
click-here for BUY NOW link to order
    3.5/3.5' Blue Hose (only)

  • (1) 3.5/3.5' Blue Hose
  • (2) Stainless clamps


  • $ 8.00
click-here for BUY NOW link to order
    3.0' Blue Hose (only)

  • (1) 3.0'x 3.0' Blue Hose
  • (2) Stainless clamps


  • $ 8.00
click-here for BUY NOW link to order
    3.0/2.5' Blue Hose (only)

  • (1) 3.0/2.5' Blue Hose
  • (2) Stainless clamps


  • $ 8.00
click-here for BUY NOW link to order
    2.5' Blue Hose (only)

  • (1) 2.5'x 2.5' Blue Hose
  • (2) Stainless clamps


  • $ 8.00
click-here for BUY NOW link to order




DISCLAIMER: Some products sold by on this website are not legal for sale or use on any pollution controlled motor vehicles. Legal in California only for racing vehicles which may never be used on U.S. highways. Not legal for sale or use in the state of California, nor in states which have adopted California emission standards.



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