Quote:
Originally Posted by Bildo
Yeah my tuners build is a 416 the headers become a restriction when going for max effort.
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I have concerns about the headers and exhaust even on my build. Running 1 7/8" into the stock NPP 2.5" exhaust now.
2" headers and 3" exhaust will probably get me a lot more power, they are on the future mod list...
Honestly I'll be happy now with anything over 700rwhp. We will see today!