K&N Air Filter Foam Insert Block DSL Only (E-0644) - 85-2003 Electronic Lowering Systems Finishing off this exhaust system

Finishing off this exhaust system are dual 12 IN diameter black 304 stainless steel clamp-on exhaust tips

0L EcoBoost engine in the Focus ST can overheat their oil very quickly within a few laps on the track or aggressive street driving

HKS Replacement Rubber Bump Stops

3" Diameter Polished 304 Stainless Steel Exhaust Tip

K&N Air Filter Foam Insert Block DSL Only (E-0644) - 85-2003 Electronic Lowering Systems Finishing off this exhaust systemThis is an optional foam piece which replaces the OEM foam block. For DSL model only Features & Benefits Pre cut foam insert that is ready to install Pre Cut And Ready To Install Downloads & Resources Link To Manufacturer Page Installation Instructions (PDF)