Description
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.
Fitment Notes
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Fits Porsche 911 Turbo (991.1 and 991.2)
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Fits Porsche 911 Turbo S (991.1 and 991.2)
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Designed for factory turbocharger configurations
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Compatible with stock and tuned vehicles
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Not intended for non-Turbo 991 Carrera models
Included
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Left high-performance intercooler assembly
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Right high-performance intercooler assembly
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Pre-installed mounting provisions for direct OEM replacement
Product Specs
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Core type: high-density bar-and-plate design
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Core volume: significantly increased over OEM units
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Construction: fully aluminum, TIG-welded end tanks
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Cooling efficiency: optimized for reduced pressure drop and improved heat rejection
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Installation: direct bolt-on replacement
Product Features
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Dramatically lowers intake air temperatures compared to factory intercoolers
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Improves power consistency by reducing heat soak during aggressive driving
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Supports increased boost and power levels from ECU tuning
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Direct-fit design retains factory mounting locations and airflow routing
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Built to withstand high boost, elevated temperatures, and track-level abuse
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