motordyne XYZ w/resonator eliminates rasp on most single setups!
I rasp around 3-4k on accel/deccelaration is mostly on cold starts and slowly dies out when warmed up. Wrapping the ehxaust doesn't hurt either
15 Seconds of Cheech & Chong! - YouTube
http://www.youtube.com/watch?v=J5aP3...B6fdlA&index=4
can't wait to add Tomei to my life