2012-22 M-series/Proclimb Tunnel Extension Cap
This tunnel extension Cap is constructed out of 6061 (.065) Aircraft Quality aluminum. They are much stronger than the OEM cap The bumpers are strong enough to tow with and also leave lots of hand room apposed to the Oem bumper. They come with a snow flap bracket and all necessary hardware to install.we currently have 141",146/153/154",162,and174"caps in stock.call or email to confirm stock or to get any specific color combination.Allow 2-4 weeks for some colors.
Tools needed: Rivet gun (preferably Air Rivet gun), 3/16 drill Bit, Sander or grinder. Install time approx 4 hours.
Factory tunnel cap lengths are as follows: