Originally Posted by nv6425
Guys, I just completed the valve opening mod and it's a nice improvement in sound. It took me about 30 minutes all in and I can notice the difference, especially at lower RPMs. If I can swing another 8-10db via some other mod, the exhaust would be perfect! My butt dyno also noticed a slight increase in response at lower RPMs, but that could be in my head...or butt.
Thanks for the detailed explanation!!
You should call Ron@Performing Imports
and ask him about a modified OEM exhaust. If you like the sound you have just created you will get a bit throatier and louder without it being obnoxious.