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The Weistec Engineering SLS TCU Upgrade for the SLS, SLS Roadster, and SLS GT will match your transmission’s performance to that of the SLS Black Series. Shifting up and down in gears will be quicker and firmer. The improved shifting also allows for greater torque capacity which is ideal for modified vehicles that make significantly more power than stock.
Improved Street and Track Performance
Increased Torque Capacity
|weistec_w197_sls_roadster_tcu_removal_manual (238.4 KB)||Download|
|weistec_w197_sls_tcu_removal_manual (302.2 KB)||Download|
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Unless otherwise stated, some Weistec Engineering performance upgrades are sold for race car use only.