Racing Brake H6 rear upgrade install.

Posted by RawCode on August 11th, 2007 filed in Brakes

You can read about the install over HERE at NASIOC.com

My rear discs were in terrible, terrible shape. I guess 114k miles does a number on pretty much anything. The 266mmx10mm solid discs felt fine when cold, but as soon as they started warming up, the whole car would *shudder* *shudder* under braking. A real positive, confidence building feel, ya know? When I got my wheels bearings replaced at 110k I decided then to perform the ever popular H6 rear disc upgrade for the Subaru Impreza. There is a few different ways you can go about this:

  1. Buy all the OEM parts at a Subaru dealership (online/local)
  2. Buy just the H6 brackets from a Subaru dealer, and buy your own favorite brand of discs in the same size.
  3. Buy a whole kit online that gives you everything you need to do the upgrade. (aka Racing Brake kit)

I went ahead and bought the whole Racing Brake kit from Boxer 4 Racing based out of North Carolina. The around $300 kit came with *red* Racing Brake H6 sized caliper brackets, Racing Brake solid slotted discs in 290mmx10mm, and Hawk HPS pads (D770 style). I wasn’t too fond of the whole red bracket action so I purchased some black caliper paint at my local Shucks. (Duplicolor caliper paint sucks BTW, but I will leave that for another post.)

There is other options besides the H6 upgrade for Subaru Impreza owners that want more rear brake bias. All of them are most costly and complicated when compared to the H6 upgrade. Like the Legacy GT rear brakes which are a massive 290mmx18mm vented design but they require new parking brakes which can be a PITA. A few NASIOC’ers went that route and wished they had just went for the H6 size rotors, simply more bang for buck.

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