Subaru Up Pipe - WRX STI FXT LGT OBXT F22C1 Insane Shafts axles are made

Insane Shafts axles are made out of chromoly steel that is put through a proprietary annealing and heat treatment process that is capable of handling power demands in your choice of 500 or 1000 wheel horsepower

Velocity stack is proven to work

B16A2 S4C Y21 24 tooth Main Shaft 3rd gear

Clutch slave spacer

Subaru Up Pipe - WRX STI FXT LGT OBXT F22C1 Insane Shafts axles are madeNo modifications are needed as this is a direct bolt on unit to the OEM header or turbo. Vehicle Application: USDM EJ Series Turbo Engines 2002 2014 WRX 2004 2020 STI 2004 2006 Baja Turbo 2004 2013 Forester XT 2005 2009 Legacy GT 1991 1994 Legacy Turbo 2005 2009 Outback XT Does not work for RHD (Right Hand Drive) Features: Includes gaskets & all necessary hardware 2. 0mm piping thickness (vs. 1. 5mm other brands) Flange is 0. 5" thick 18 gauge, 304