SICK of axle tramp in your IRS Commodore? Muscle Garage and Tuff Mounts can help, with this new CNC billet aluminium IRS diff mount, designed to directly replace the OEM rubber mount. It’s simple to install and is said to be the best way to help reduce diff bounce in your VP-VZ Commodore. Priced at $345. For more info visit www.musclegarage.com.au or call (08) 8374 0011.