What do you think gents?

 

i have straight pipe and yes it helps with lag and spool time but its really loud
unless you want your car to be loud lol

 

ive had a stright pipe on my evo for 1k and the idle is deadly, i just bought resonated testpipe so that may help

 

Great!
Any idea how many RPM you spool earlier?

 

You will see a good increase with a lower back pressure exhaust such as a straight through system. I have run them with just a straight through resonator to cut the raspyness and unwanted frequencies and had good success with similar set ups.

 

ive never really payed attention but the power comes in very fast

 

i have a hks straight pipe, its not too loud and spools up pretty quick. not a big fan of the sound but then again evos dont have a great sound ever.

 

Straight pipe with a resonator is the way to go. But performance wise I dont feel much difference.

 

Test Pipe usually picks up a good 1-2psi of boost and I'd say about 300rpm sooner spoolup on a stock turbo. It's a big difference