Just intalled 4" turboback..wonder if i should have went 3.5" DP?

[907DAVE]

Originally Posted by longshot270

I'm not exactly sure about the gains from it because I know someone who did that potato mod on a guy's jeep but it still drove home the same as before...but his exhaust was ported from rust which I assume removed all of the performance gains from the potato.

He probably did it wrong!

You are suppose to hammer it in with the end of a broom handle, you have to get it in there as far as it will go for max HP.