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Discussion Starter · #1 ·


I have a 2003 subaru wrx and i need a new down pipe and a bov. I would prefer a hks ssq bov but beggers cant b choosers so ill take watever some one offers me. I desperately need it by this month.
 

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Discussion Starter · #3 ·
The piping from my bov to my turbo snapped so i may as well get a whole new bov, n wgile im payin for the labor i may as well get them to install a new downpipe because my jak pierced it
 

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gprwrx said:
Get a 3" Downpipe
Get a downpipe with whatever type of flange you have on your catback - if you have a 3" flat flange, get a 3" flat flange downpipe; if you have a 2.5" donut flange, get a downpipe that tapers to 2.5" donut.
 

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The HKS SSQV is not a good BOV. It VTA (Vents To Atmosphere)
which is bad. Trust me on this just buy the stock BPV. Getting a aftermarket BOV will just make your car run very lean and rich. Cause idle problems, etc. etc.
 

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Discussion Starter · #9 ·
The HKS SSQV is not a good BOV. It VTA (Vents To Atmosphere)
which is bad. Trust me on this just buy the stock BPV. Getting a aftermarket BOV will just make your car run very lean and rich. Cause idle problems, etc. etc.


thanks a lot man
 

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im sellina cobb 3inch bellmouth dp for 400 bucks........i used it for about 7 months on my sti......if im not mistaken it should fit your wrx.........
 

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gprwrx said:
The HKS SSQV is not a good BOV. It VTA (Vents To Atmosphere)
which is bad. Trust me on this just buy the stock BPV. Getting a aftermarket BOV will just make your car run very lean and rich. Cause idle problems, etc. etc.
It either runs lean or rich - take your pick :screwy:

There should be no "idle problems" if the valve is setup properly and isn't leaking - if you're not under boost, the valve is closed.

Any rich condition is minimal (~9.5:1), very short in duration (1-2 rows in a datalog), and only between shifts when in boost.




As for the HKS SSQV - there are better valves on the market (e.g., Tial / APS).

Personally, I'd run the stock valve, though.
 

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The HKS SSQV is not a good BOV. It VTA (Vents To Atmosphere)
which is bad. Trust me on this just buy the stock BPV. Getting a aftermarket BOV will just make your car run very lean and rich. Cause idle problems, etc. etc.
It's not going to run "very rich and very lean" when you shift. It can bog the car though for a split second and it just won't run as smoothly. The problem with the SSQV is that HKS did a shoddy job when they designed them and they tend to leak. And leaks are what cause a bad idle.
 

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Miacanes,
I have an Invidia dp that I had on my 03 wagon for about 6 months. I will part with it for $150 + shipping.
 
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