The CrawlTek Pyro Lower Front Bumper Skid Plate for Jeep Wrangler JK is designed to be bolted to the crash bar. It does not need to be attached to the bumper before installation, simply line up the existing holes on your Jeep and attach the included hardware. Compatible with Pyro and Blaze series bumpers, as well as most other aftermarket bumpers that do not require to cut the crash bar.