Originally Posted by KOZPAN
After some searching the HP gains I've seen for the K&N are 7.4 HP to 10.4 HP (don't know what I'm getting)
I'm seeing claims of up to 20 HP for AEM on the RSX-S.
Can anyone vouche for that?
20hp for just an air intake :hahano: Where's the b.s. smiley?