The CSF High-Performance Twin Intercooler Set for the Porsche 991 Turbo and Turbo S is engineered to significantly improve charge-air cooling efficiency under both spirited street driving and sustained high-load conditions. Compared to the factory intercoolers, this upgraded system features larger, more efficient bar-and-plate cores that reduce intake air temperatures and minimize heat soak. Lower, more stable charge temperatures allow the engine to maintain consistent power delivery, especially during repeated acceleration or track use. Designed as a direct replacement for the OEM units, these intercoolers install without permanent modification while supporting higher boost levels from aftermarket tuning. This upgrade transforms cooling from a limitation into a performance advantage.
Fits Porsche 911 Turbo (991.1 and 991.2)
Fits Porsche 911 Turbo S (991.1 and 991.2)
Designed for factory turbocharger configurations
Compatible with stock and tuned vehicles
Not intended for non-Turbo 991 Carrera models
Left high-performance intercooler assembly
Right high-performance intercooler assembly
Pre-installed mounting provisions for direct OEM replacement
Core type: high-density bar-and-plate design
Core volume: significantly increased over OEM units
Construction: fully aluminum, TIG-welded end tanks
Cooling efficiency: optimized for reduced pressure drop and improved heat rejection
Installation: direct bolt-on replacement
Dramatically lowers intake air temperatures compared to factory intercoolers
Improves power consistency by reducing heat soak during aggressive driving
Supports increased boost and power levels from ECU tuning
Direct-fit design retains factory mounting locations and airflow routing
Built to withstand high boost, elevated temperatures, and track-level abuse
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