If you have this cat-back exhaust please tell me how it is in terms of fitment, and sound (will it set off car alarms, make babies cry, etc.) Would it fit well with an ETS testpipe? and what is with the sag i've read so much about? Will there a big gap between the tips and the rear diffuser?

 

I have the Hi-Power on my Evo X and: fitment is like stock (though you must remove the drivers side rear tow hook), note is deep with no drone or rasp, my GF approves and neighbors have never complained but is significantly louder than stock. As long as the ETS test pipe is 3" and OEM length, the HKS Hi-Power should bolt up with no problem. I have about 1" between the tip and diffuser using the OEM hangers.

Here's a quick vid one of our Pro-Dealers put together:

 

sounds good

 

ill sell you mine for 450

 

Have this exhaust. Prolly loudest cat back there is for the evo.
Set off some alarms will in parkade but i was purposely trying to see if i can or not XD, no downpipe or high flow cat or anything.

Fitment is perfect, sound is orgasmic, I love it.

 

Anyone know what type of hardware this comes with, I'd like to replace mine. I just picked up some gaskets from https://www.maperformance.com/. I bought 3' gaskets. I sure hope those are the right ones.