The vette may not feel the lag as much as the big engines have a good amount of TQ and kinda hide the lag but 4 & 6 cyl will probably feel the lag. But on my 2 turbos I was told the turbo provides the back pressure so you would want a bigger diameter exhaust for better flow. I was using a 3 in TBE w/HFC on my 2.0T engine and that exhaust provided another 20+ whp. The tune also ran the boost up to 19 -20 psi peak as they were small turbos meant for low end TQ and power.
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2010 LS3 C6 Silver coupe corvette
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