are you concerned with backpressure in the exhaust going to the turbo? i see your elbows are 1 3/4"I ran into backpressure problems when I had 2" collectors after I changed to 2.5" my problem went away
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When you really do something right it's like you didn't do anything at all
1931 Pontiac 5 window coupe OHC6 powered
2015 GMC Yukon SLT
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