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Published on Apr 15, 2010
RENNTECH SL65 Black Series - Dyno Testing of a RENNTECH modified SL65 BS. 805 HP and 1000 LB-FT of torque at the crank! These astonishing power gains are created with ECU upgrade, Dual Intercooler Pump Upgrade, Transmission Upgrade, and 100% Locking Rear Differential. Contact RENNTECH today for product pricing and info! www.renntechmercedes.com