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HKS Sequential Blow Off Valve
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Recommended By
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Average Price
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Average Rating
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100% of reviewers
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$233.57
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8.6
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Description:
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The HKS Super Sequential Blow-Off Valve (SSQV) is a dual stage pull type relief valve. Unlike other blow off valves that are push type, the SSQV will not leak under high boost conditions nor under vacuum at idle. Being of a pull type valve structure, the SSQV can not physically leak under any level of boost because boost pressure also keeps the valve closed against its seat. The SSQV is actuated by pressure alterations only, not by the rate of pressure or vacuum in the line, which ensures a quick valve response and complete closure during idle. On typical blow-off valve designs, a large valve is utilized in order to accommodate high boost / high horsepower applications. However, these large valves tend to react slowly and require high activation pressure to open, therefore are not able to activate and prevent compressor surge at light-load conditions. On the other hand, smaller, fast reacting valves do not discharge the airflow capacity required for high horsepower applications and tend to creep open and leak as the boost pressure overpowers the spring on these push type valves. For maximum performance, the HKS SSQV incorporates both a small primary valve for ultra quick activation, along with a larger secondary valve for additional discharge capacity. The SSQV is engineered to initially open the small primary valve at light throttle and load conditions, then sequentially opens the secondary valve for additional relief capacity under high boost and load conditions. The SSQV is constructed of polished billet aluminum, which ensures long-term durability and visual appeal. The mounting base utilizes a circular mounting flange that provides exception flow and complete secure mounting via a C-clip snap ring and O-ring gasket. The triple-fin discharge port design produces a powerful and unique aggressive blow-off sound along with added visual distinction.
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Author
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1fastGC
VIP Member
Registered: November 2002
Location: Oakland/El Cerrito, CA
Posts: 1807
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Review Date: Mon October 6, 2003
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Would you recommend the product? Yes |
Price you paid?: $200.00
| Rating: 8
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Altho the stock WRX bov is good enough for up to 20+psi of boost, but if you want the bov sound, HKS SS BOV is something you can consider! Never had a problem when installed w/ my FMIC.. It actually makes the turbo spools up smoother and better.
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Evolution VIII
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Review Date: Sun December 14, 2003
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Would you recommend the product? Yes |
Price you paid?: None indicated
| Rating: 0
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what do u think sounds better --- the hks BOV or the blitz BOV?
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poot
Registered User
Registered: May 2003
Location: miami
Posts: 28
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Review Date: Fri February 6, 2004
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Would you recommend the product? Yes |
Price you paid?: $250.00
| Rating: 9
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Pros:
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Very Simple install
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Cons:
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tin plug included did not fit perrin bypass hose
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The SSQV is very well built. Asthetically and mechanically it is appealing. My only concerns with the product are that much of the technical information included is in Japanese, and I don't understand it. The second issue is the tin plug used to close the recirculation/bypass hose from the turbo inlet. I have the perrin hose kit and it is a slightly larger opening than stock. I used some electrical tape to make the plug thicker, then put it in the hose, along with a clamp, for good measure. The product makes a nice, clean hiss, ans as it is a dual stage, it releases low and high pressure. Please don't post questions here. use the forums.
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my dog's name is Charlie.
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WRX151
Registered User
Registered: December 2002
Posts: 725
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Review Date: Thu July 8, 2004
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Would you recommend the product? Yes |
Price you paid?: $320.00
| Rating: 9
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Pros:
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Looks awesome works well
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Cons:
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EXPENSIVE
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Great quality and sound. Swapable inserts to change sound. A bit costly, in compariso to other BOV\'s on the market which hold the same boost.
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Aithien
VIP Member
Registered: December 2002
Location: California
Posts: 149
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Review Date: Fri July 9, 2004
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Would you recommend the product? Yes |
Price you paid?: $215.00
| Rating: 7
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Pros:
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One of the best BOV in terms of quality, very audible, able to switch sounds
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Cons:
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Expensive, a hassle to recirculate, might hit the hood if not careful
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The HKS SSQV is built very nicely. One look at the design tells you this was made and engineered with throught and consistence. It also mates up to the IC easily (if you have the WRX adapter) and only takes about 5 minutes to install everything.
However, the PSHHH you get is very high pitched and somewhat loud. Whether this is what you are looking for, it can be both a good or bad thing considering almost anyone around you can hear it (Mr. Popo included). It also is very expensive and you can forget getting the recirculating adapter for it if you\'re mating to a stock IC because the plumbing required is very difficult to route and there simply isn\'t enough room to do so.
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wrxcess
Registered User
Registered: April 2003
Location: CA
Posts: 67
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Review Date: Wed July 14, 2004
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Would you recommend the product? Yes |
Price you paid?: $250.00
| Rating: 9
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Pros:
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nice looks, nice sound, easy to install.
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Cons:
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None
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This is a good product and I have put 30,000 miles on it and have had no problems what so ever. It took 15 minutes to install it and I haven\'t touched it since.
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Rev Limiter = Fun Limiter
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bpang1
VIP Member
Registered: August 2004
Location: Cincinnati, OH
Posts: 7148
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Review Date: Tue December 28, 2004
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Would you recommend the product? Yes |
Price you paid?: None indicated
| Rating: 9
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Pros:
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Cool sound and adjustability
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Cons:
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none
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No 10 because it doesn\'t make the car faster.
The trick is to adjust the valve correctly because it comes shipped adjusted for the JDM STi.
I have no idle problems and just good warm feelings everytime it goes pssssssst!
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Honuboi79
Registered User
Registered: October 2004
Location: Waialua
Posts: 83
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Review Date: Sat July 9, 2005
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Would you recommend the product? Yes |
Price you paid?: $250.00
| Rating: 10
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Pros:
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Great Sound, psssh
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Cons:
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Only problem is it\\\'s too big it rubs the top rubs the hood
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Love the sound can\'t wait for the psssh.
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hayn_wrx
Registered User
Registered: January 2005
Location: H1 Kunia bound
Posts: 1801
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Review Date: Tue July 12, 2005
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Would you recommend the product? Yes |
Price you paid?: $150.00
| Rating: 8
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its\' really loud...can you hear me coming ?
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