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I have a 79 Camaro 350, Holley 600, performer intake, 882 heads, stock cam, long tube headers 2.25 collector, true duals with super 44s. What would happen if i switched to a 2.50 or 3inch exhaust system? Thanks
 

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[BYou'd relieve back pressure in the exhaust system and have less remaining exhaust gas in the cylinders = more torque and HP.
I went to 3" on poncho 400 from 2.25 from headers to mufflers( flowmaster 40"s) and felt it. I have a cam 268-280 also.
 

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I have a 79 Camaro 350, Holley 600, performer intake, 882 heads, stock cam, long tube headers 2.25 collector, true duals with super 44s. What would happen if i switched to a 2.50 or 3inch exhaust system? Thanks
Yo got a Berlinetta? I got one to, same carb, heads, exhaust, I thought someone was talking about my car :sweat:
 
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