Also, you could cut the resonator out of the rear section of the exhaust to couple the intake resonator delete...that will help too, or get a cat back
Darin
01 Xterra SE 4x4
COMING SOON:
Intake mod, timing belt, hoses, belts
Wish list:
PML, EFan conversion, shocks, 32" tires, and eventually UCA'S