Originally Posted by
carcollector
i run a mountune roller barrel intake..... gives more torque but limits you to 600hp.....at least thats what scs says....
Correct, they are restrictive after 600bhp, more torque isn't always correct, the biggest thing with them is the throttle response,
You have to remember these were specifically designed for a 320bhp rally engine for ultimate throttle response, so even when bored out dnt flow huge amounts of air