[Spring Branch Civic]

Originally Posted by RedFG2

I recommend you read this article about backpressure.

Backpressure: The myth and why it's wrong

I put on a Go Power 3" exhaust and a Skunk2 catless race header and saw great results.

I just finished reading that article. That makes a lot of sense. Nice to know people that do their research.
So u think that 3" would be the best for a 8th gen SI?