Engine
Software
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$2,945.00
Stage 1
Our SLS performance package 1 features our proprietary ECU tuning software combined with our long tube headers unbelivable sound with performace to match.
Ou...
$10,430.00
Stage 2
Our SLS performance package 2 features our proprietary ECU tuning software and long tube headers as found in package 1 with the addition of our sound and perfor...
$14,750.00
Stage 3
Our SLS performance package 3 features our proprietary ECU tuning software and long tube headers as found in package 1 & 2 with the addition of the Akrapovi...
$23,580.00
Supercharger
SLS 750, 750 HORSEPOWER, 654 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
MADE TO WORK ONLY WITH STOCK EXHAUST
Weistec Engineering has developed the u...
$14,999.00
SLS 825, 825 HORSEPOWER, 661 FT-LB OF TORQUE
FOR VEHICLES WITH WEISTEC HEADERS AND MIDPIPES
The SLS 825 Supercharger System is the pinnacle of p...
$18,999.00