yeah well a midpipe and exhaust on a stock GTR can be 20HP+ with no tune and about 2-3 mph in the 1/4 mile... then add a tune with just those bolt ons and your 70-80hp+ easily.... Nissan is going 40-45hp and still using 4 cat converters... and what appears to be just a slightly larger muffler section.. will be interesting to see what the PSI # is right now its 11ish so 12-13 maybe?
Last edited by MC; 10-05-2010 at 04:18 PM.
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