[Louis White Law]

Npp is ok. For me, when I start a hot rod I want it to rumble loud enough to make the blood in your veins get thinner. So for me it's between npp, which is mild and throaty, or something aftermarket, which will wake your neighbors when u fire it up.

Npp gives u the undercover silent exhaust, and the option of tuning it up to a mild roar. But, it still isn't wackadoo loud (which I like but am growing out of). I can tolerate open headers.

Still, for me npp works fine...not outstanding, but fine.