Also, the Diablo has user adjustable partial throttle shift points. The other tuners only offer wide open throttle shift adjustment. I don't know about you, but I spend a lot more time going partial throttle than wide open throttle so I like full control.

 

what are cut outs??

thanks for the fed back im def not gonna go catless now

 

dmhperformance.com

 

An electric valve that goes inline with your exhaust and diverts the exhaust before the muffler to make noise and free up back pressure.