Free Shipping On Orders Over $49. Details

Talk to a Mustang Enthusiast
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $15,000!! Enter Now
Coronavirus: We are Open For Business, Prioritizing health and safety Learn More

Whipple W140AX 2.3L Supercharger Upgrade Kit for Aftermarket Oval Throttle Body (03-04 Cobra)

Item 102484
Call a Mustang Enthusiast at 1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Market Price $4,319.99 You Save 17% ($719.99)
Our Price


FREE Shipping

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
In Stock

Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • 475 Horsepower, 440 Lb/Ft of Torque
      • 2.3L Twin Screw W140AX Whipple Supercharger
      • 13 psi of Boost
      • Black Satin Finish
      • Bolt-On Replacement
      • For Use with Aftermarket Oval Throttle Body
      • Fits 2003 to 2004 SVT Cobra


      Even More Power! The 2003-2004 Cobra Mustang came with an impressive 390 Horsepower and 390 lb/ft of Torque from the factory, but after installing this Black 2.3L Whipple Supercharger Upgrade Kit, you'll be planting a ground pounding 475 Horsepower and 440 lb/ft of Torque to the pavement. That's 85 more horsepower and 50 more ft/lbs of torque over stock!

      Aftermarket Oval Throttle Body. This Black Satin 2.3L Whipple is designed for use with an aftermarket oval throttle body. This 13 psi Supercharger Kit does not require PCM, fuel pump or MAF meter upgrades and is a direct bolt on replacement.

      Supercharger Kit. As a complete bolt-on system, the Whipple 2.3L Twin Screw Supercharger requires zero modifications to your engine or PCM. Compressing more air per RPM at lower temperatures and with less parasitic loss, this supercharger offers incredible power levels. It features a discharge plate that offers more plenum area and a larger radius, which distributes air more evenly over the entire intercooler core.

      Application. This Black 2.3L Whipple Supercharger Upgrade Kit is designed as a performance upgrade for the 2003 to 2004 SVT Cobra Mustangs in combination with an aftermarket oval throttle body.

      Please Note: Whipple Supercharger Kits are built to order for our customers. Because of this there can be a 10 to 14 day lead time on orders.

      Fitment: 2003 2004 Details

      MPN# WK-2101TB

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (2)

      Write a Review

      Ratings Summary

      5.0 out of 5 overall rating from 2 customers

      Installation Time: Afternoon

      • August 11, 2016

        5 2003 Cobra - Julian

        Installed this my self

        I did this install myself in my garage with only a few hours a day after work last week. Was fairly easy. The instructions were good but I would advise not to follow the instructions for the removal on the stock supercharger. Its nearly impossible to pull the entire unit out by your self. Instead remove the supercharger from the lower intake and coolant hose bracket from the front , that was the only issue i ran into. I haven't been able to drive it yet due to needing a tune but everything fit like it should .

        Helpful (15)
      • March 16, 2016

        5 2003 Cobra - Wiebs Installation Time: Afternoon

        Absolute Beast

        This supercharger is fantastic. My '03 cobra is so much more intimidating and the engine looks great with the black finish. 10/10 would recommend

        Helpful (15)

      Questions & Answers (12 answers)

      5 Top Rated Questions

      is the 457hp/440tq rating to the crank or wheels?

      • Those measurements are rated at the wheels.

      Helpful (1)

      Does this kit require a dyno tune? The description says something vague about keeping the factory pcm. I’m guessing a professional tune is required to get the full potential out of the kit.

      • Whipple states that the factory PCM is just fine for 13 PSI on stock engines, but engines with boost levels above 13 PSI will require custom PCM calibration.

      Helpful (1)

      Will this fit my 99 cobra ?

      • This will fit with your 1999 Cobra however you will need all of the 2003-2004 Cobra parts to make this work. You will need the lower intake manifold, heat exchanger, intercooler core, vacuum/boost lines, solenoids, timing cover, power steering relocation, etc.

      Helpful (1)

      Can I put my stock throttle body on this for smog day? Or will it not work at all.

      • This cannot be used with the stock throttle body.

      Helpful (0)

      How much of a gain should I be looking to get with the whipple? And is it recommended that I get a bigger Injector as well?

      • The estimated gains will achieve 475 Horsepower, 440 Lb/Ft of Torque. New fuel injectors are likely necessary, however, as to what direction you go towards is up for your tuner to decide, as the answer to that question entirely depends on the tunes written for your application.

      Helpful (0)
      Post Your Question
      7 More Questions
      Is this a Gen3? What rib set up and pulley size comes with since there appears to be no option for pulley choice? 0 answer
      Can you use the crusher oval throttle body on the Whipple W140AX 2.3L 1 answer
      I have a 8.5:1 compression 4.6 aluminator crate engine will this be okay for it? 1 answer
      I have an 01 cobra I building and was wonder if I could use this whipple for my engine type 4.6 4v ? 1 answer
      Will this supercharger fit my 2002 GT with a 4.6L 2V V8? 1 answer
      im trying to get a t/c supercharger for my mach 1. would this work, i know i need alot more stuff. 1 answer
      I wanted to know if this would fit my Lincoln Aviator 2004 4.6L. I understand that it uses the same engine from the 99' SVT Cobra and this is an upgrade from the OEM supercharger. So I'd rather be safe then sorry when it comes supercharging my vehicle. 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) 2.3L Whipple SC Upgrade Kit

      Tech Specs

      • 2.3L W140ax Whipple Twin Screw Supercharger
      • Black Satin Finish
      • Over 80hp gain at 13psi
      • Includes Supercharger Inlet
      • Includes Discharge Plate
      • Boost range 8 - 25 psi
      • Professional Installation Recommended

      Will It Fit My Mustang

      • Cobra - 03, 04

      Requires Aftermarket Oval Throttle Body

          Related Mustang Categories