09-26-2011, 02:14 AM
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#10
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Track > 1/4 Mile
Drives: 2016 C7 Z51
Join Date: Sep 2009
Location: League City, TX
Posts: 6,072
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Quote:
Originally Posted by usa1camaro1969
The stock exhaust itself isn't very restrictive, the manifolds are. You'll still see good gains(it's a 3.6L with duals running 2.25" tubes, the stock 396 exhaust in my '68 was 2.25" and restricted that motor).
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This
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