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SR Performance 70mm Throttle Body (96-04 GT)

Item 41103
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      Review & Installation Video

      Dave from AmericanMuscle, today I have the stack racing 70mm throttle body, designed to fit the 96-2004 Mustang GTs. This will exclude the Cobra and Bullitt as they have a different style throttle body. The idea of a throttle body is to continue to give y

      Product Information

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


      • More Horsepower
      • Better Throttle Response
      • Polished Finish
      • Fits 1996-2004 4.6L GT Mustangs


      More Power. Increase the airflow in to your 4.6L engine for improved throttle response and more horsepower with a SR Performance 70mm Throttle Body.

      Precision Crafted. This SR Performance Throttle Body is made from a permanent mold casting of 356 aluminum to produce a higher quality casting than conventional sand molds, which reduces porosity for an improved finish.

      Application. The SR Performance 70mm Polished Throttle Body is designed to be a direct fit replacement on the 1996 to 2004 4.6L SOHC GT Mustang. 70mm throttle bodies work great on stock or mildly modified GT mustangs.

      SR Performance

      Fitment: 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

      MPN# 41103

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.4 out of 5 overall rating from 100+ customers

      Installation Time: Less than 1 Hour

      • March 26, 2020

        1 1998 GT - AndresGucci Installation Time: Less than 1 Hour

        Does not fit 98 Gt Throttle Cable Bolt

        I struggled all day trying to fit this on my 98 GT just to put my stock throttle body back, and it messed up my throttle cable.

        Helpful (0)
      • January 19, 2020

        5 2002 GT - Nightshade Installation Time: Less than 1 Hour

        Big difference

        It response more, it gets up quicker and overall well worth the money

        Helpful (0)
      • December 02, 2019

        3 2002 GT - Anonymous Installation Time: Less than 1 Hour

        Not bad

        Definitely noticed some throttle response and looks great under the hood!! However the hole for the throttle cable wasn't drilled out properly and after fighting with it forever I found the hole needed to be made bigger for it to fit

        Helpful (0)
      • October 27, 2019

        5 2001 GT - Trent Installation Time: Afternoon

        TB Fitment

        Looks amazing, feels incredible, sounds even better...but be forewarned. The throttle and cruise control cable attachments from your mustang DO NOT FIT onto the new TB. I have a 2001 GT conv. and maybe it was just mine, but I had to bore out the hole on the new TB to be able to re-attach the throttle cable and I had to order a new cruise control cable because I broke the old one trying to put it on. Other than that, I highly recommend. AM customer service was also really helpful.

        Helpful (0)
      • October 11, 2019

        5 2002 GT - AJ Installation Time: Less than 1 Hour

        Helpful (2)
      • October 09, 2019

        5 2004 GT - JerryK Installation Time: Less than 1 Hour

        o4 sonic blue gt-upgrade

        I bought this 70mm throttle body and installed without any major issueS other than drilling out of the linkage hole. This installed along with my SR PERFORMANCE cold air intake and a bama tune made a noticeable increase in throttle response and top end seems to pull harder. For the money and it being polished-2 thumbs up

        Helpful (0)
      • September 16, 2019

        4 1998 GT - Demetrios Installation Time: Less than 1 Hour

        Nice looking and awesome

        Very happy with this purchase. Also bought the plenum to go with it since the price was great! One issue. When connecting the stock throttle cable it would not fit in the hole. I carefully drilled it to make it fit, other than that very happy with it!

        Helpful (0)
      • September 13, 2019

        5 1998 GT - Bullet0412 Installation Time: Afternoon

        Helpful (1)
      • August 28, 2019

        5 2000 GT - Matt Installation Time: Less than 1 Hour


        I got exactly what I wanted and expected out of this 70mm kit! Thank you!

        Helpful (1)
      • June 17, 2019

        3 2012 GT - Samwallabe Installation Time: Less than 1 Hour

        Maybe a slight difference

        99 mustang GT fit pretty good didn’t make much of a difference, car was NA

        Helpful (1)

      Questions & Answers (20 answers)

      5 Top Rated Questions

      Does this require a tune?

      • Just adding a larger TB to your car will do little in performance, but enough that you should notice the change. Adding any performance item, a tune will give you the most it is capable, but it's not needed to feel it. Most times, just disconnecting your battery for five minutes will let the computer drop it's programming of how the car was driven before. Once you reconnect the battery and drive it a few days, it will relearn the new stuff added. You will notice the gain once the computer relearns. Things like cold air intakes, etc will just add to that. You just want to be sure nothing is blocking all that air getting into the engine.

      Helpful (8)

      What can I expect with this mod alone. I am debating on whether to buy this or not. How much HP and ft/lbs would I expect but just using this mod alone. My engine is bone stock so when this mod alone ( no tune , CAI , or intake plenum ) what gains will I see performane wise ?

      • Better throttle response, and <10 hp at wide open throttle. If you were to get a tune for it you would see more gains from it for sure. If you planned on doing more mods the SCT tuner would really be beneficial. I would do all your modding and then get the tune to include all the mods. So buying the CAI - SCT Tuner package last would be my suggestion. You can tell Bama tuning all the mods you have done and they will write you a tune that will get the most out of all of them. It's not cheap to mod a Mustang, just take it one step at a time, and have fun!

      Helpful (5) Show 4 more answers

      Hello, Is this throttle body legal in California?

      • Unfortunately the SR Performance 70mm Throttle Body is not certified and approved by the California Air Resource Board meaning this Throttle Body will be illegal for use upon highway/road in California.

      Helpful (3)

      Is this California smog legal?

      • This throttle body will not pass California smog regulations.

      Helpful (2)

      I already have a cai. I was wondering if I needed to buy a tuner along with this throttle body.

      • Hello! A tuner is not required for a throttle body installation, however it will definitely add more power and make the throttle body run a little more efficiently.

      Helpful (2)
      10 More Questions
      Hi, I have a 96 GT and was wondering what the difference is between this product, the 70MM SR throttle body, and the SR 75 MM. Now obviously the latter offers better airflow to the engine, but is it a good idea to choose the 75 MM over the 70MM if I do have an updated plenum? I installed a SR cold air intake a couple of weeks and was just wondering which throttle body would be best for my GT. Thank you 2 answers
      will this be fine with no tune? I'm thinking about getting this with the sr performance plenum. But I do not have a tuner. My gt has a full exhaust, cai , coils, fuel injectors. Will the motor still run fine with more air going in even without the tune? 3 answers
      Will this work with my victor jr intake and edelbrock elbow? 0 answer
      will this throttle body work on 2001 mustang GT with a JLT performance cold air intake? 1 answer
      Assuming everything else is stock can this be installed with throttle body spacer? If so why not if the spacer was meant for stock and this bolts up to stock? 1 answer
      I have a 75mm plenum, will putting a 70mm throttle body cause any problems? 1 answer
      I am interested in purchasing a SR performance throttle body but I need a question answered before I purchase. I have a air raid throttle body spaced and a SR performance intake. If I buy a throttle body do I still need the throttle body spacer? Is it helping the Throttle body or hurting performance ? 1 answer
      Would this work with my C L upper intake plenum? 1 answer
      Does the SR Performance upper intake plenum fit with this? 1 answer
      Will this TB work with the airaid TB spacer and the SR intake spacer on the stock plenum? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Throttle Body
      • (1) Gasket
      • (4) Torque Screws
      • (2) Phillip Head Screws
      • (1) Grommet

      Tech Specs

      Throttle Body Specifications
      Bore Size:70mm Single or Twin Blade:Single
      Manufacture:SR PerformanceComputer Tune Required:No

      Will It Fit My Mustang

      • Bullitt - 01
      • GT - 96, 97, 98, 99, 00, 01, 02, 03, 04

      Does not fit 2001 Bullitt

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