Agency Power Uppipe WRX (2002-2014) STI (2004-2018) 3 Series Exhausts 0 comes in two different

0 comes in two different filter choices

After our development phase is complete

so choose carefully

These are complete change over kits featuring a solid steel flywheel

Benefits/Notes:

Agency Power Uppipe WRX (2002-2014) STI (2004-2018) 3 Series Exhausts 0 comes in two differentThe Agency Power uppipe for the WRX, STI and Legacy GT is made from polished 321 high grade stainless steel. 1 2" thick flanges are used for maximum strength and durability. The AP uppipe includes a new gasket and bolts to connect to the header. New exhaust studs for the upper flange are included for a secure fit to any turbo. The all TIG welded uppipe includes a bung for your factory or aftermarket EGT gauge. By replacing the uppipe with a high