Exhaust And Intake, Which Is The Best Pair? - ClubWRX Forum - Subaru Impreza WRX and STi Community and Forums

HoNdAsLaYer06 · 04-28-2007, 07:05 PM

Whats up i want to put an exhaust and an intake on my 06 wrx, but i will be using it as a daily driver. i want to do an hks full exhaust w/ headers and maybe a perrin intake. i wanted to know if that would be a good set up or if there was a better set up. i mainly looking for noise and drivability and most hp gain. Also how bad is it to run a BOV on a stock set up with an exhaust and intake

Thanks

NashWRX · 04-28-2007, 07:23 PM

word on the street is that BOVs make it run rich. And I guess is harmful in the long run. But it does sound sexy

Sinister · 04-28-2007, 07:47 PM

don't worry about headers.. it'll make your car sound like sh!t. turbo back exhaust is

BOV is a no go... if you want the sound get an intake... if you don't understand this is use the search button up top.

Intakes.. only use Cobb SF, SPT Short Ram, K&N Typhoon Short Ram, or APS.

Sinister · 04-28-2007, 07:48 PM

Welcome to the club. Any questions feel free to ask. Make sure to introduce yourself in the new member's hangout!

06ltd · 04-28-2007, 09:27 PM

I've been very happy with my SPT exhaust and intake. Adding a bellmouth dp made the whole setup louder (at least in the cabin, the turbo is far more audible).

Wrx BriT · 04-28-2007, 09:37 PM

A turbo back will give you the most gain. From what I've seen, headers will shift the HP curve to the right, meaning you'd be picking up a few extra HP on the top end.

BOV=no, I've got the forge and the GDB blow off valves and after trying them both I am back to stock. As for the intake I thinks perin only makes the 'big maf' model which usually requires a retune. I would stick with cobb or SPT.

04-28-2007, 07:05 PM	#1 (permalink)
HoNdAsLaYer06 Registered User Join Date: Nov 2006 Posts: 2	Exhaust And Intake, Which Is The Best Pair? Whats up i want to put an exhaust and an intake on my 06 wrx, but i will be using it as a daily driver. i want to do an hks full exhaust w/ headers and maybe a perrin intake. i wanted to know if that would be a good set up or if there was a better set up. i mainly looking for noise and drivability and most hp gain. Also how bad is it to run a BOV on a stock set up with an exhaust and intake Thanks

04-28-2007, 07:23 PM	#2 (permalink)
NashWRX Registered User Join Date: Mar 2007 Location: NY Posts: 74	word on the street is that BOVs make it run rich. And I guess is harmful in the long run. But it does sound sexy __________________ Hawk-Eye Alliance #181

04-28-2007, 09:37 PM	#6 (permalink)
Wrx BriT Registered User Join Date: Sep 2005 Location: on t3h computer. Posts: 2,354	A turbo back will give you the most gain. From what I've seen, headers will shift the HP curve to the right, meaning you'd be picking up a few extra HP on the top end. BOV=no, I've got the forge and the GDB blow off valves and after trying them both I am back to stock. As for the intake I thinks perin only makes the 'big maf' model which usually requires a retune. I would stick with cobb or SPT. __________________ Snale Power: -BriTon 06 STi=dead RSTi Swap FTW Hawk-Eye Allience #013

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04-28-2007, 09:27 PM	#5 (permalink)
06ltd Registered User Join Date: Feb 2007 Location: around . . . Posts: 251	I've been very happy with my SPT exhaust and intake. Adding a bellmouth dp made the whole setup louder (at least in the cabin, the turbo is far more audible).