Invidia N1 Titanium Cat Back Exhaust Subaru WRX / STI 2015-2021 | HS15STIDTG 1500 16% thinner-than-stock tubes allow for

16% thinner-than-stock tubes allow for more surface contact

ACT's NS3-XTSS kit features a sprung

(1) Thermostat Oil Filter

The PERRIN Short Shifter Adapter reduces throw by 30%

ACT's SB7-HDSS kit features a sprung

Invidia N1 Titanium Cat Back Exhaust Subaru WRX / STI 2015-2021 | HS15STIDTG 1500 16% thinner-than-stock tubes allow forHS15STIDTG Fitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru WRX STi Features: New gaskets and hardware Grade 5 Titanium construction 3. 15" Inch piping diameter 4" Inch titanium exhaust tip Non resonated mid pipe Dual exit design Includes silencer Exhaust hangers welded onto the OEM locations to make for a direct fitment Notes: The Invidia N1 is one of the best sounding, fitting and looking catbacks you can get for your VA WRX STi. Not to