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post #1 of 8 Old 09-14-2006, 03:27 PM Thread Starter
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Hks

someone please tell me why an HKS down pipe is so friggin cheap??????
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post #2 of 8 Old 09-14-2006, 03:43 PM
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Mostly because it blows. Its not a bellmouth design. Meaning, your wastegate cant breath.

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post #3 of 8 Old 09-14-2006, 03:57 PM
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probably because it sucks, and thats the only way they can sell any
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post #4 of 8 Old 09-14-2006, 04:11 PM
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post #5 of 8 Old 09-14-2006, 10:11 PM Thread Starter
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i never said i wanted one lol

i just wanted to know why it was so cheap

i think i saw one for like 125
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post #6 of 8 Old 09-18-2006, 04:06 AM
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i had the hks dp and got rid of it after 3 weeks....got the invidia bellmouth dp for 229 and have been smiling since
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post #7 of 8 Old 09-18-2006, 06:01 PM
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Quote:
Originally Posted by Black Night
i had the hks dp and got rid of it after 3 weeks....got the invidia bellmouth dp for 229 and have been smiling since
are you having any issues with wastegate flutter or boost creep?

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post #8 of 8 Old 09-18-2006, 06:39 PM
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Basically it's a poor design. It only meets one of the two problems of the stock downpipe (one being pipe diameter). If you compare your stock or the HKS downpipe, you will notice that there is a flat plate where the wastegate would spell gasses out. This forces the gasses to make a 90 degree turn to get down the main pipe, causing backpressure and turbulence, and you don't get your full horsepower potential. Most of the good downpipes will have a bellmouth design or a separate pipe for the wastegate.

HKS probably realizes this after many WRX owners stopped buying it. I have known people to custom weld a pipe to eliminate this problem on the HKS dp.

Jon
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