[Taunto]

why not actually hook up a back pressure guage and measure it so you can know for sure. make sure you re-search for oem specs for exhaust back pressure as every manufacture is a lil different

[OptionLessM]

put an air compressor in your back seat and run a line into your section one going upstream. That should balance things out.

[AP3X_FTW]

Originally Posted by OptionLessM

put an air compressor in your back seat and run a line into your section one going upstream. That should balance things out.

[terraphantm]

Originally Posted by ItsCarbonBlack

In short, yes you are wrong. Backpressure forces the engine to do work in order to evacuate exhaust gases, work that would otherwise be used to power the car forward. Any situation where you can reduce backpressure has a positive effect on power output. Backpressure has no benefit in this application

I wish more people understood this. The myth probably stems back to some kid changing out a 6 inch pipe for a 2.5 inch on his riced out civic, and then thinking that the power increase has to be due to backpressure

The key is maximum exhaust velocity. So you want the smallest pipe you can get that allows the gasses to flow unhindered.

[Chaser720]

I have uncatted headers and a straight pipe out without any restrictions (except a straight through resonator and straight through muffler).

Given I have no power at all below 4K it pulls like hell past there. Back pressure isn't necessary.