K&N Kit

m0m0

New Member
May 21, 2004
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Don't know if this has already been posted or not...Yesterday I picked up a copy of MM&FF on page 126 they have an 03' cobra making an extra 25HP with ONLY a K&N kit?!? I thought this was very interesting...

My question would be could this same install be done on a 99+ Mustang GT?

Thanks.

:flag:
 
Yes, it's true that adding a CAI kit to a supercharged vehicle (such as an '03/04 snake) will yield excellent gains. However, you'll be hard pressed to see those types of gains on a naturally aspirated engine. So, you probably won't see +25HP on a '99GT...
 
I felt it on mine... gives 1 pound of additional boost... enough to hear a bit more whine from the hood... check out my video and you can here the aggressive fly by... I never knew you could hear it outside the vehicle so well :)
 
That test was done at the shop that has done all my work. The tuner, Lidio, started selling this kit at his shop for all 03+ Cobra's. With the s/c he was seeing 1 additional lb of boost.

On an n/a car such as yours, a CAI kit will probably get you around 5RWHP at best....JMHO.
 
m0m0 said:
My question would be could this same install be done on a 99+ Mustang GT?

No, you won't.

Two reasons.....first, the 03-04 is a supercharged engine, and the boost pressure magnifies any changes in airflow. Second....the intake on 03-04 Cobras is quite restricted by the airbox to fender snorkle, and to some extent on the backside with the exhaust. Getting rid of the intake restriction makes a big difference.

When the car was first introduced on of the Ford engineers was quoted as saying that it's "breathing through a straw". It is, and that's why intake changes can give some much seat of the pants power differences.