With so many variations of exhaust systems recommended on this forum it was a bit confusing what would be the best way to go for performance and better exhaust note. The car had been tuned by Matt prior to installing the Raptor headers (thanks heaps Tim, first class customer service) and to be honest after installing the headers I was really disappointed with the loss of both torque and a bit of that awesome whine the 3.0 boxer engine makes. Sounded a bit like an old falcon (no offence to Ford lovers). Screamed at the top end but it was the loss of the torque and the new exhaust note from the headers that was disappointing.
I contacted Matt to see if he could fix this & just had a touch up e85 Flex tune from Matt yesterday and Far out! what a difference and improvement, got that great whine back, good exhaust note, and heaps more torque, heaps! Don't know much about the numbers but I would recommend any member that wants gain for reasonable coin to consider Raptor headers, HiTec mufflers & e85 tune.
Matt has retuned my car 4 times now, always polite, great service and gets the 3.0 really performing, best money I ever spent on the car.
If you are in Newcastle I would recommend NMS at Bennett Green for installing headers.