Mercury Cowlings and Vents
This is the first of our new 300 XS cowlings. This fiberglass alien cowl uses stock mounting hardware. Designed and manufactured by Chris Dunn Racing (606) 802-2157, this cowl cuts 10 lbs of weight and provides the air your XS is wanting. We recommend 91 octane fuel and we also recommend to remap the ecu to provide for the added air intake. In fact if you are looking for more racing power this is your first step. This is bolt on power. You will need to vent the stock cowl or use an aftermarket cowl to enjoy our other bolt on XS performance racing parts. The stock cowl is a restricter plate. This part is a direct clone of the 300 X to fit the XS pans. The alien style cowling eliminates the water ingestion issue. (Adam McKeon's video)
**Never run an Alien or modified cowl with stock ECU calibration as extremely lean conditions will happen possibly resulting in severe engine damage. Get a remap.
**Never run an Alien or modified cowl with stock ECU calibration as extremely lean conditions will happen possibly resulting in severe engine damage. Get a remap.
Cowling Vents/Heads
300X style vent
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300 XS Alien Style Cowl
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