Originally Posted by Zsteve

Actually someone on here did a dyno before and after and gained 5 hp and tq. Also the air intake with these and the stock box is only 5 - 8 degrees above ambient so they are on par with Long tubes in that area too. They will also improve throttle response some. If you do the drop ins and do the Modshack fang vent DIY you are about as good as the long tubes gains for half the cost. All in all a good mod if you dont want to spend 500+ for an intake.