***Blue prefilter material shown above is for illustration
purposes only and not included in the MOD air box modification***
Slightly improved low end HP!
3-4 HP gain on top end!
As quiet as stock so your buddies will never know!
Runs on 87 octane fuel!
Does not require any fuel injection mods!
$150 with air box exchange!
Simply send us your Apex/Attak bottom
portion of your air box and we will exchange it
for one of our Stealth MOD air boxes and return ship it the same day! 3-4
hp and as quiet as
stock so your buddies will never know!
***Please keep the air temp sensor and
clamps when sending your air box to us!***
***Click on picture for larger image***
***There is no return or refund after receiving an air box. Yes the modification is simple, but we have spent the time and money to test and dyno this setup. You can easily lose 3-4 hp by altering the air box as well. This modification has been field tested & dyno proven. We will not accept returns or refund your money after you have seen the modifications and then decide you can modify your own.***
Improve low end & midrange 5-6 hp!
2-3 HP gain on top end!
Runs on 87 octane fuel!
Includes 3 filters, prefilters, adapter spacers, & 2 crankcase breathers
$255
***Click on picture for larger image***