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Factory couplers become brittle with heat and develop cracks that bleed boost
Slide the protector over the spark plug boot before installation or route it over the existing boot
These springs work with your factory dampers to deliver a sportier feel without overwhelming daily comfort — ideal for drivers who want canyon-carving capability from their coupe
sharpening turn-in response and reducing body roll through a lower center of gravity
Three tuning modes — Economy for better mileage
aFe Momentum HD Pro Dry S Air Intake Systems 51-74003 Catalytic Converters Factory couplers become brittle withThis aFe Momentum HD air intake system (part 51 74003) is a complete intake upgrade with part number 51 74003. It replaces the factory air box and snorkel with a free flowing design that drops intake air temperatures and increases volumetric efficiency. The sealed air box system engineered for heavy duty diesel applications, drawing cool outside air through a dedicated inlet tract, while the engineered intake tube delivers higher velocity airflow to
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