Cobb 15-21 Subaru WRX Cold Hard Pipe Kit subaru-sti-2006 the GrimmSpeed BCS will allow

the GrimmSpeed BCS will allow for extremely high-resolution boost control

BOV5 Vent to Atmosphere (Supersonic) BOV

or rallycross course

which we found can easily be replaced and benefit from the use of silicone

we have both strap drive and lug drive models

Cobb 15-21 Subaru WRX Cold Hard Pipe Kit subaru-sti-2006 the GrimmSpeed BCS will allowThese are the pipes that connect the throttle body to the driver's side end tank on the COBB Front Mount Intercooler Core. A perfect solution for customers using a custom turbocharger setup but would still like to retain the COBB intercooler core and piping. Looking to piece together a custom intercooler set? Combine this piping kit with a COBB Front Mount Intercooler Core and custom hot piping! Ideal for custom turbocharger intercooler