Killer B Performance AOS Catch Can Add-On - 2002-2021 Subaru WRX / STI / 2005-2009 Legacy GT

Spectral Performance is your top source for Killer B Motorsport upgrades. If you don't know, Killer B Motorsports are masters of fabrication, and not only do their components benefit your vehicle either by power or by the quality of their craftsmanship, but all of their work is pure art. 

This is the Killer B Motorsport Catch Can Add-On Option. This has been designed to be added to the Killer B Motorsport AOS for those that do not want to drain collected liquids back into the crankcase.

HIGHLIGHTS:

• The high-performance function of the Killer B Motorsport AOS is maintained without the need to drain collected liquid back into the crankcase
• Billet aluminum construction
• TIG welded
• Stainless mount fitting 
• Brass drain valve 

NOTE:

• This will only work with the Killer B AOS and will not work alone