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South Bend recommends a single mass steel SFI approved flywheel to be used for safety reasons
Fully hand-welded 304 stainless steel materials
Powder-coated a nice black finish to be corrosive resistant
Includes pre-cut hoses that are oil resistant
Killer B 3-Inch to 3-Inch Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet - 2002-2007 Subaru WRX / 2004-2021 STI PDM_fixed-back-seats South Bend recommends a singleThe 3 Inch Coupler For Extreme Flow HARD Turbo Inlet is available for those who need to make a proper connection in the Subaru WRX STI. RallySport Direct proudly carries a great selection of performance upgrades brought to you by the leaders in the Subaru fabrication industry, Killer B Motorsport. This is the Killer B Motorsport 3 Inch Coupler that has been designed to work with the Killer B Extreme Flow HARD Turbo Inlet. This coupler is available for
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