Cobb Coolant Overflow Tank Subaru WRX 2015-2021 / STI 2015-2021 | 800660 CivicSI_2006-2011 The engineers at Mishimoto designed

The engineers at Mishimoto designed the airbox to fit properly with the Mishimoto BRZ / FR-S Oil Cooler Kit

The stainless steel braided flex hose provides ultimate protection from abrasion

Fix annoying differential movement and noises while ensuring appropriate differential pinion angles for maximizing power transfer to the wheels with these Whiteline Rear Diff Mount in Cradle Bushings

NGK Laser Iridium spark plugs are the best combination of performance and longevity

and maybe some light track duty on street tires

Cobb Coolant Overflow Tank Subaru WRX 2015-2021 / STI 2015-2021 | 800660 CivicSI_2006-2011 The engineers at Mishimoto designedFitment Information: 2015 2021 Subaru STI 2015 2021 Subaru WRX The Cobb coolant overflow tank is a must own part when installing an aftermarket front mounted intercooler to make room for the charge pipe but it's still a no brainer for a stock car or at any other point in the cars modification journey to add style and convenience to the engine bay. Features: Maintains OEM 1L Capacity TIG Welded Aluminum Tank External and Internal Anodizing Custom