Invidia Q300 Cat Back Exhaust SS Rolled Tips Subaru WRX / STI 2015-2021 | HS15STIG3S 100 ACT's SB9-XTR4 kit features a

ACT's SB9-XTR4 kit features a rigid

Mandrel-bent aluminum intake piping includes CNC-machined MAF housing and air straightener

One is for the guys intending to use an aftermarket shift lever

Nitrided/Napier Steel rings

Invidia Q300 Cat Back Exhaust SS Rolled Tips Subaru WRX / STI 2015-2021 | HS15STIG3S 100 ACT's SB9-XTR4 kit features aHS15STIG3S Fitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru WRX STi Features: New gaskets and hardware 304 stainless steel construction 3. 00" piping diameter 4. 33" Quad SS exhaust tips Exhaust hangers welded onto the OEM locations to make for a direct fitment Notes: Ask yourself: "Do I love the rumble?" Your answer is definitely yes if you're reading this. The Q300 for the VA chassis is sweet! 3" tubing, mandrel bent, CNC cut flanges sweet