Down Pipe is the key to unlocking the full power potential of The STi ! Our own tests, and those of other tuners have confirmed that aftermarket down pipes do not make significant power gains at all as the stock down pipe is very efficient already. However, when the down pipe is combined with the O2 Collector Housing to make a one piece unit, the exhaust flow velocity is greatly increased. Substantial power gains are instantaneous, and there is even further potential for more power to be gained through tuning.
T1R Down pipe – Subaru WRX STi 08-15 (GR/GV/VA)
USD $285.00
T1R Down pipe – Subaru WRX STi 15+ (VA)
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SKU: 18160-GRB-0NA
Category: Converters and Downpipes
Weight | 30 lbs |
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