HKS Downpipe for 2002-07 Subaru WRX and STi #16861

For maximum exhaust flow and increased turbo spool up, HKS offers Off-Road down pipes and front pipes for race use. Each 75mm mandrel down pipe and front pipe is a bolt on application that will mount to the stock turbo and to HKS turbo upgrade kits. HKS Downpipe replace both cats after the turbo. While the price is tempting, we do not reccomend this downpipe for any other turbo than stock -- the flat plate against the internal wastegate will create excessive turbulence and fluttering; we suggest a separative wastegate or bell-mouth design to reduce turbulence. Details   Weight 10.00 lbs Price: $149.00 Options   Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50  Add to cart

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