Our UPD downpipes are made from High Strength and high heat tolerant Stainless Steel. Fitting our downpipes to your New Supra, will improve performance, reduce back pressure, increase initial turbo spooling and enhance sound. Constructed from high strenght Tig welded Stainless Steel Bolt on installation to factory pipes/ turbos Improved exhaust sound More exhaust flow and quicker turbo spool Increased HP and Torque, when combined with ECU Upgrade Weight reduction over OEM pipes Offroad use Professional install recommended Good power gains from better flow Rapid spool up, better throttle response and exhaust flow Increases turbo life Adds a throaty exhaust tone OEM bolt on installation Bolts on using OEM hardware Reduces IAT and under hood temps Also see our listing for Supra 15mm wheel spacers to add an aggressive stance to go with your new powerful down pipes.