SL55/63/65/R230 AMG: Upgrades
#2
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Join Date: Sep 2006
Location: Houston
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2007 SL55 Renntech Stage 3
Renntech and Kleeman both sell different stage kits for power upgrades and other upgrades as well. Do a search and you will find a ton of info on both here.
#3
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Join Date: Nov 2006
Location: North Carolina
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05 SL 55 AMG, 01 Turbusa/8.43 @ 183..1/4 mi.