66-1401 K&N X-Stream Top Filter Wagon R These sensors provide a signal

These sensors provide a signal to the engine control module

1x Black anodized sensor port plug

REAR MAIN PLATE KIT

Heavy-duty canister for outstanding durability

The idea behind increasing the coolant capacity especially in a racing situation is such that if your coolant is as an example at 0c (32f) during the whole race you have enough volume to be passing 0c (32f) coolant through your supercharger for the entire duration of the race

66-1401 K&N X-Stream Top Filter Wagon R These sensors provide a signalK&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just like other K&N Air Filters.