Thermal R&D

Sub-compact enthusiasts agree … the Ford Focus ST has all the bells and whistles. Its turbocharged 2.0 liter four cylinder engine and six speed man...

3” T304 Stainless Steel Catback System Mounts to OEM catalytic converter. Utilized OEM Hangers, Tip Fits OEM Valance Brush finish tubing, polished...

Track and Competition Downpipe High Flow Cat - Not Legal for Street Use 3" Diameter Tubing Fits with Thermal Focus ST Catback Exhaust Thermal R&a...

3" / 2.5" Split for Optimal Sound and Performance Valve works with OEM Active Exhaust Engineered with Thermal R&D's 'True Helmholtz Technology...