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No additional adaptors
Once you start adding go-fast performance upgrades that increase the power
and the filter will have a shield that will offer protection from those hot engine bay temperatures
This blow-off valve has been engineered using durable construction with a fast-acting valve to relieve your turbocharger very quickly of excessive boost
COBB Rear Sway Bar 22mm - 3 Position Adjustable - Subaru Models (inc. 2008-2021 WRX / STI / 2008-2013 Forester XT) PDM_lug-nuts No additional adaptorsSharper Turn In, Less Body Roll Starting With the Sway Bar The Cobb Rear Sway Bar 22mm 3 Position Adjustable Subaru Models (inc. 2008 2021 WRX STI 2008 2013 Forester XT) for the 2008 2021 Subaru WRX STI is a direct bolt in replacement for the factory rear sway bar that reduces body roll and sharpens corner entry response. The stiffer bar keeps the chassis flatter through corners, transferring more of the suspension's travel budget to cornering grip