Stillen Z-Tube Couplers

Stillen is happy to offer their pre-existing Z-Tube customers with their Z-Tube couplers that will eliminate the common failure point of the Infiniti bellows couplers. The factory Infiniti bellows couplers are prone to premature failure due to the fatigue caused by the constant rocking of the engine. Previously, the Z-Tube kits required re-using the factory bellows style couplers, but now, with Stillen's high performance silicone couplers, you can rest assure you will not experience the dreaded Infiniti P0171 check engine light, due to your torn Infiniti G35, FX35 intake couplers. Features and benefits: * High-performance silicone coupler kit * Eliminates factory baffling, increasing flow efficiency * Eliminates torn factory couplers * Helps eliminate dreaded P0171 check engine light issues Show Less