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Roush Cold Air Intake (05-09 GT)

Item 69108
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      Review & Installation Video

      Product Information

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


      • Increases Horsepower and Torque
      • Improves Fuel Mileage
      • NO Computer Tune Required
      • Money Saving Reusable Filter
      • Simple Installation
      • NOT CARB Certified
      • Fits 2005-2009 GT Mustangs


      Increase Horsepower and Torque. The Roush Performance Mustang Cold Air Intake kit replaces your stock GT Mustangs restrictive factory air box and paper filter with a high flow filter assembly and intake tube for an increase in horsepower and torque while improving throttle response and fuel mileage.

      No Tune Required. Unlike other Cold Air Intakes on the market for the 2005-2009 GT Mustangs the Roush CAI does not require a computer re-tune. The engineers at Roush Performance really did their homework to improve your pony's power using the factory tune.

      Reusable Filter. Roush designed the high flow air filter to be reusable. So no need to go out and buy a new filter every few thousand miles. Just clean the filter, re-oil it, save money, and go!

      Superior Quality. Roush manufactures the airbox tray and tube in this CAI kit from high quality thermoplastic materials for superior structural stability, and durability. And the kit comes complete with a custom high-flow ROUSH air filter with clamp, MAF tube, Airbox tray with installed EPDM foam hood seal, and the necessary Mounting hardware.

      Not CARB Certified. This Roush Performance Cold Air Intake is not CARB certified, therefore it is not legal for use in California or other states adopting California emission standards. Not legal for use on pollution controlled motor vehicles; intended for off road use only.

      This Roush Performance Cold Air Intake is specifically designed for the 2005 to 2009 GT Mustangs and does not require a new computer tune.

      Fitment: 2005 2006 2007 2008 2009 Details

      MPN# 402099

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.6 out of 5 overall rating from 100+ customers

      Installation Time: Less than 1 Hour

      Installation Cost: 0-$100

      • March 12, 2020

        5 2007 GT - Gofast Installation Time: Less than 1 Hour


        Easy install. Straight forward fit like a glove. After install took reducer out of air tube car would not run without reducer. I guess I will purchase the Bama Tuner. Would highly recommend this modification to you S197 engine.

        Helpful (0)
      • March 07, 2020

        5 2005 GT - KoleH Installation Time: Less than 1 Hour

        2005 roush

        Makes the car sound much deeper, you can feel the extra power. I bought this product to keep everything on my car roush, but I would recommend this for every stang.

        Helpful (0)
      • March 07, 2020

        5 2007 GT - Alexulrich1 Installation Time: Less than 1 Hour


        I am satisfied with my purchase, no issues, very easy to install

        Helpful (0)
      • February 14, 2020

        5 2006 GT - Bray13 Installation Time: Less than 1 Hour

        Love it

        Notice performance increase and what else can I say? ROUSH is top of the line !

        Helpful (0)
      • February 08, 2020

        5 2007 GT - Tony Installation Time: Less than 1 Hour

        Perfect fit

        Easy install. All the clamps provided worked perfectly. Noticeable difference in sound and performance

        Helpful (2)
      • January 21, 2020

        5 2005 GT - GreggA Installation Time: Less than 1 Hour

        Roush cold air intake

        Unbelievably noticeable increase in airflow! I highly recommend this as the first mod to your Mustang. You won't regret it.

        Helpful (0)
      • January 15, 2020

        5 2005 GT - BruceT Installation Time: Less than 1 Hour

        Roush Cold air intake

        Just finished installing. Was quite easy. Fit and finish was very good. I can’t comment on the performance aspect of it at this time because I haven’t driven the car.

        Helpful (0)
      • January 04, 2020

        5 2007 GT - Mustangboi07 Installation Time: Less than 1 Hour

        Cool air intake

        This product is awesome it makes the car louder, faster and pull harder. It is super fun and it adds a very growly aggressive exhaust note to the car. I hight reccomend this product

        Helpful (1)
      • January 01, 2020

        5 2008 GT - TeronE Installation Time: Less than 1 Hour

        Roush CAI

        Very easy install and felt the throttle respond much better afterwards too.

        Helpful (1)
      • December 27, 2019

        5 2007 GT - AlanA Installation Time: Less than 1 Hour

        Perfect Upgrade

        Easy installation and great fit! Sounds are excellent!

        Helpful (0)

      Questions & Answers (35 answers)

      5 Top Rated Questions

      Can you tune a Roush cold air intake? I have just installed a Roush cold air and it came with an insert to restrict air flow so no tune required. When I tried it without the insert (roush says thats for off road or racing in the instructions) it ran really bad. I mean really really bad and stalled. Yet with the restricted insert it runs like a top. Is there any tune for this cold air intake and will it make my car go faster?

      • Absolutely! When you run this Roush CAI with the insert, it allows the kit to be installed with the proper calibration so there is no tuning required. With the insert removed, you're removing the necessary calibration and can cause you car to run as you described above. If you want to run this CAI without the insert, that is by far the best option in regards to increased power and there is a tune available. Our Bama team can create a custom tune for your Roush CAI, giving you max performance for this mod and any others you have or plan to do. If you have any additional questions, definitely give us a call and we'd be happy to help!

      Helpful (21) Show 1 more answer

      Is the street legal in Massachusetts? I have a 2008 GT. If it is not legal will it still work?

      • That will depend on your state and their emission laws. Unfortunately it can vary so we recommend checking with your state ordinances or a local shop.

      Helpful (5)

      Will this fit on a 62mm throttle body?

      • The Roush Cold Air Intake will fit with an upgraded twin 62mm throttle body.

      Helpful (5)

      Is there any way you could buy the mass air flow tube insert needed to use it without a tune lost it and now need it

      • Unfortunately the mass air flow tube insert is not currently sold separately from this intake kit. We would recommend reaching out to Roush directly.

      Helpful (2)

      do you need to use a higher octane gas with the roush cai if not tuned?

      • Absolutely not. This specific intake is designed to run without computer tuning required...though I HIGHLY recommend getting one for the performance/fuel economy enhancements. Regardless, you may run 87 Octane fuel if you're on your factory tune...that's what the factory tuned it to run on minimally. Run higher if you like, though you will likely not see any difference until it's high-mileage.

      Helpful (2) Show 3 more answers
      10 More Questions
      I'm adding a Roush CAI with the sleeve in, BBK shorty tuned headers, and a Flowmax high-flow catted H-pipe at the same time to a 2007 Mustang GT 4.6L. Each is supposed to work individually without a tune. Should I consider a tune given I'm adding all three together? I'm mainly interested in not damaging the engine. 1 answer
      I have an Superchip tune in my Mustang 07 GT. Will this tune support this Roush CAI if I use it without the insert. 0 answer
      How much added Horsepower do you think I would get with this on my 2008 GT? I want as many HP added as possible for the lowest price possible. (shocker I know) Is this the one you all would suggest? If not, which one? 1 answer
      Will this Roush CAI be combatible with the SCT4 programmer on an 05 Mustang GT? 1 answer
      Can I order this as a kit with the Bama 1 answer
      Will this fit on my 08 427r. It has a super charger on it . Thanks Terry 1 answer
      I need a replacement filter for the cold air intake, I can’t seem to find one? I looked on Roushs website they don’t offer one. 1 answer
      If I run it without the restrictor in the intake, what would be best to help it not stall out? Could I run a high performance MAF or do I just need a tune? 1 answer
      Can you use a Bama 91 race tune for this intake? 1 answer
      Exactly How Much Horse Power is added when in installing this ? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      Hardware included:
      • Custom high-flow Roush air filter w/ clamp
      • MAF Tube
      • Airbox tray w/ installed EPDM foam hood seal
      • Mounting hardware

      Tech Specs

      Cold Air Intake Specifications
      Year/Model: 2005-2009 GT Filter Placement: Engine Bay
      Material: Thermoplastic Finish: Black
      Manufacture: Roush Performance Computer Tune Required: No

      Will It Fit My Mustang

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