Well I bit the bullet and got the 4" exhaust from Big Exhaust,got the muffler so the wife would ride in the truck again and now with the scotty ll I get "THE BARK". Reach about 33psi at WOT. Would a valet switch keep the wife and daughter from harming things? Spool up is great now but beware for those of you that have a short bed quad many alterations need to be made to the system to get it to fit. Lift and cutting is a must. almost to quite
