Upgrade your Can-Am Defender HD11 with the ultimate reinforcement solution! The Thumper Fab Front Frame Stiffener is engineered for riders who demand strength, durability, and confidence on every terrain. Built from steel and precision CNC-cut for a perfect fit, this stiffener adds critical support to your Defender’s front frame, reducing flex and preventing damage under heavy loads or extreme riding conditions.
Easy Bolt-On and DOES NOT require cutting or welding.
Computer Aided Design
We have spent countless hours and multiple prototype revisions to make sure we have developed a kit that will greatly increase strength for your control arm mounts and chassis subframe. We designed the frame stiffener / gusset kit to reinforce weak links and to work with your OEM or Aftermarket Control Arms and Lift Kits with same model year fitment. Using the latest technology in 3D scanning and computer modeling software all aspects of the suspension and chassis geometry have been verified for precision fitment.
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