Backbox Change
#1
If I was to change the backbox on my PPP Impreza to a HKS Hyper, would it be straight swap? My car has an STi Resoinator in the centre, will this be a problem with the HKS item?
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You're right MD, the HKS Hiper BB comes with a mid pipe, won't fit onto a standard fitting centre pipe as the exhaust takes a different angle.
I would suggest you listen/go out in a car with a HKS on before you buy, they are loud on full throttle if you have a decat downpipe. Might not be to everyones taste.
I would suggest you listen/go out in a car with a HKS on before you buy, they are loud on full throttle if you have a decat downpipe. Might not be to everyones taste.
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Sam Witwicky
Engine Management and ECU Remapping
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13 November 2015 10:49 AM