J's Racing Rear Diffuser (Carbon Fiber) - Honda Civic Type R FK8 17-21 turn14-oos Extang 14-18 Chevy/GMC Silverado/Sierra 1500

Extang 14-18 Chevy/GMC Silverado/Sierra 1500 (5 ft 8 in) Trifecta ALX

Manufacturer Part # : 30336

SPC's arms have +1 of caster built into them

For ease of use and to keep tension to the truck bed

Manufacturer Part # : 92870

J's Racing Rear Diffuser (Carbon Fiber) - Honda Civic Type R FK8 17-21 turn14-oos Extang 14-18 Chevy/GMC Silverado/Sierra 1500Description NOTE: Optional part for the FK8 Rear Under Spoiler (JS AR K8 F). Since it is molded with a J's Racing muffler, cutting may be required for vehicles with external mufflers. Drilling is required to secure the bolts and nuts for installation. This Carbon Fiber Rear Diffuser is an optional part for the FK8 Rear Under Spoiler! It not only transforms the rear view into a more powerful one, but also provides more streamlining and downforce! This