R1 Performance Package for SLS Black Series (197- 675 HP / 500 LB-FT) maybach-57---62--240---2002-2012--5-5-l-v12-biturbo-esr4717095 the S 550 Coupé gains

the S 550 Coupé gains up to 66 HP and 139 LB-FT

0L I6 Turbo EQ Boost)  Modified Performance:

X290 - GT 53 AMG 4-Door Coupe

GLE 400 BiTurbo (X292 - M276 Biturbo Engine) Stock Performance:

RENNtech SLR package 1 contains our proprietary ECU Upgrade

R1 Performance Package for SLS Black Series (197- 675 HP / 500 LB-FT) maybach-57---62--240---2002-2012--5-5-l-v12-biturbo-esr4717095 the S 550 Coupé gainsR1 Performance Package for 197 SLS AMG Black Series. Includes ECU Upgrade and Long Tube Header. Up to 675HP and 500LB FT. Gains: +44HP & +32LB FT Our SLS Black Series performance package 1 features our proprietary ECU tuning software combined with our long tube headers unbelivable sound with performace to match. Our long tube headers are designed and manufactured in house and feature high quality, tri metal, 200 cell sport catalytic cells which are