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Tighten all bolts and clamps
Choose from Fabspeed's Deluxe Quad Style Tips in your choice of finish
Genuine Chevrolet Corvette Accessories provide Factory Fit and Finish
They provide a large amount of glare and they are very bright during the day and night
M-Engineering maps built for your 991
Porsche 981 Boxster / Cayman IPD Intake Plenums Quad-Style Tips (2009-2012) Tighten all bolts and clampsIPD Plenums are products of efficiency that improve intake air flow and increase air velocity. The Y shape design and dimpled interior surface make air flow more laminar (less turbulent) improving power and torque higher in the RPM band. Youll also notice a very slight increase in intake note as a result. Smoother more optimized intake air flow will improve the engines drivability. The more efficiently an engine breaths, the more efficiently it