Thread: 07 GXP Rear Brake Upgrade?

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  1. #1 07 GXP Rear Brake Upgrade? 
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    Hello everyone,

    From my understanding the front brake rotors are 12.9" in the front. How could I manage to upgrade the rear rotors and calipers to kinda match the back. Is there anyway for that? I would like your guys' opinion. Also, if you have any links of rear break kits/calipers, please share them.

    -Chance
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  2. #2 Re: 07 GXP Rear Brake Upgrade? 
    Killa Bee Scottydoggs's Avatar
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    you need to run 17 inch wheels or larger to do any of the rear brake upgrades. if you already have wheels that will allow the brakes, i say go for it.

    a few have done it here. cant off the top of head recall who they were tho.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: 07 GXP Rear Brake Upgrade? 
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    Yeah the GXP stock rims are 18". I have 19" rims on there now. So could I just purchase the same size rotors and calipers as the front then? I won't have any fitment issues?
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  4. #4 Re: 07 GXP Rear Brake Upgrade? 
    Killa Bee Scottydoggs's Avatar
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    not the fronts, you need the rear brakes off the gxp iirc. id add ss brake lines to the list of parts.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: 07 GXP Rear Brake Upgrade? 
    Killa Bee Scottydoggs's Avatar
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    Rear GXP Upgrade heres one of them guys thread with pics.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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