Quote:
Originally Posted by TheHouseWon
The walls are thinner on aftermarket pipes...youre better off with coating or header wrap. Some of the heat difference is offset by not having the friction of cats, so there's that small benefit. The main reason to do DP's is sound!
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Can DP's (catted or no cat) installed without a ECU tune?
Would stock software deal with the more free flowing DP?
It should boost power without a tune right?