Porsche 718 Cayman GT4 RS 4.0L Catted High Flow Downpipes

STRATEC catted high-flow exhaust downpipes for the Porsche 718 Cayman GT4 RS 4.0L reduce restriction while retaining high-flow catalytic converters.

Why you need it

Better exhaust evacuation sharpens throttle response and enhances the GT4 RS's high-RPM flat-six character, with a stronger tone that stays below fully catless race pipe volume.

Fits

• Porsche 718 Cayman GT4 RS 4.0L flat-six (2022-2025)

Features

• Performance catalytic converters
• Premium T304 stainless steel
• Mandrel-bent tubing, precision TIG welds
• CNC-machined flanges

What's included

• Left high-flow catted downpipe
• Right high-flow catted downpipe
• Installation hardware
• Gaskets where applicable

Good to know

No CARB EO number is listed for this part, so check your local emissions rules before installing. Professional installation is recommended.