KEIN Rear Differential Mount Subaru WRX 02-07 / STI 04-07 | KSUB004

This KEIN rear differential mount is a game - changer for your 2002 - 2007 Subaru WRX or 2004 - 2007 STI. By bolting it inside the rear sub - frame, it completely eliminates all movement and firmly supports the rear differential. You'll immediately notice better acceleration, quicker throttle response, and improved control when accelerating through corners. It installs easily as it bolts onto existing factory holes. But be aware that the in - cabin drivetrain noise will increase a bit because it replaces the rubber OEM diff carriers. This mount replaces OEM PN# ST413104S020, gets rid of wheel hop and traction loss. It's made of steel K02001/ K02502, torture - tested on streets and tracks, features a durable powder coating in all colors, and comes with 65A durometer rubber bushings. Plus, it has a 2 - year warranty.

Using this rear differential mount is simple. First, locate the existing factory holes in the rear sub - frame of your 2002 - 2007 Subaru WRX or 2004 - 2007 STI. Then, bolt the mount onto these holes. Make sure all the bolts are tightened properly. Note that after installation, you may notice a slight increase in in - cabin drivetrain noise. This is normal due to the elimination of the rubber OEM diff carriers. For maintenance, regularly check the bolts to ensure they are tight. If you see any signs of wear on the steel or rubber bushings, contact our support team. With proper use and care, this mount will serve you well for a long time thanks to its 2 - year warranty.