Autobahn Autoworx Porsche Carrera 911 (964,993) Upper Intake Manifold Couplers Sports Suspension Multi-layer high-temp silicone construction

Multi-layer high-temp silicone construction

or forged carbon fiber

and are cast with thicker wall material

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Autobahn Autoworx Porsche Carrera 911 (964,993) Upper Intake Manifold Couplers Sports Suspension Multi-layer high-temp silicone constructionAutobahn Autoworx Porsche 911 Carrera 964 & 993 1989 1998 Upper Intake Manifold Silicone Couplers Part Number: AUT 964 993 003 Restore and upgrade the intake sealing system on your Porsche 911 Carrera with the Autobahn Autoworx Upper Intake Manifold Couplers. Designed for 964 and 993 chassis applications, these silicone couplers replace aging factory rubber components that commonly crack, harden, and cause vacuum or intake leaks over time. Built from