This RAGE downpipe / Front pipe is designed for the 2002 onwards version 8 WRX and STI. It is mild steel and 76mm diameter. Twin scroll turbo fitment only. Part number BB3117 (part of the complete BB9054 and BB9055 exhaust systems). Designed to fit the RAGE exhaust system.

Wastegate dump pipe (screamer pipe) 40mm
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Kinugawa Japan TD04-15T 4cm 3-bolt 4D56T Pajero upgrade
Yellowspeed Brake Kit 356mm 6-pot (18") Rear
BC Camshafts 2JZGTE stage 2 / 3 / 4
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Dash mount triple gauge holder - 60mm
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Hybrid X01-R intercooler kit - SF5 Forester
SD Rod End (alloy, imperial) R/L
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Hybrid GT2 spec intercooler kit - Toyota Hiace
Kinugawa TD05 / TD06 / T67 exhaust housing
Simota breather filter - Urethane series 9mm neck
SR20 turbo dump pipe S13, S14 T25 atmos venting 