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      11-16-2012, 09:08 AM   #4
Drives: 95 z28
Join Date: Jul 2012
Location: shytown

Posts: 446
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Originally Posted by 1QuikWS6 View Post
Be careful removing all the restrictions and opening up exhaust size (greatly reducing factory built-in backpressure) - on the NA cars it actually has a detrimental effect and you LOSE low end power.

Cars were designed to run in optimum condition with a certain amount of backpressure.

Do a Search on here and do some reading 1st...
ive done 20 searches. no solid answers on this, hence the question.
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