Introducing Magnusons Jeep Wrangler kit for the 2007-2011 Jeep Wrangler JK 3.8L. This kit demonstrated a 33% increase in torque and 41% increase in horsepower in our facility! Unlike other power adders, with our TVS-style supercharger, all that torque is available right off idle. Magnusons MP1320 TVS Supercharger for the 2007-2011 Jeep Wrangler JK 3.8L uses EATONs latest in its line of Twin Vortices Series superchargers. The 6th generation hybrid-roots style supercharger design offers a host of performance benefits over other existing blower designs. Its advantage lies with its four-lobe, 160 degree high helix rotors that provide increased air flow, have a wider operating range, and higher pressure capability while maintaining cooler operating temperatures and a quieter operation. With this technologically advanced system, your Jeep Wrangler 3.8L can achieve extreme torque levels while maintaining its everyday drivability. Magnuson supercharger systems deliver torque across the entire rpm band - giving you torque on tap whenever and wherever you need it. Whether on the streets or blazing a new trail in the great outdoors, you will never have to wait for power. All of these benefits are achieved while using less engine power through a reduction in parasitic engine drag during cruising situations. These cruising losses, common during normal driving, are nearly eliminated thanks to Magnusons unique integral bypass valve system, giving you near-stock fuel economy under normal driving conditions, and instant torque when you need it. This system contains Magnusons patented cast aluminum high-velocity intake manifold, MP 1320 TVS supercharger as well as all of the fittings, lines, belts and hardware needed. To really maximize the efficiency of this supercharger kit it is also available with an air-water intercooler system that includes the intercooler core, coolant circulation pump, coolant reservoir, and heat exchanger. Additionally, this supercharger system comes with all of the necessary tuning and fuel system upgrades your Jeep will require to handle the boost this blower delivers. This includes new high-flow fuel injectors that retain all of the factory "push-lock" connectors and a Diablo Sport Trinity handheld programmer. Magnusons ECM recalibration ensures proper adjustment of the air/fuel and ignition timing settings to optimize and manage the increased torque and horsepower of your supercharged Jeep while maintaining its street driving manners and fuel economy. As you can see this is truly a complete system with all of the components required for a professional, and OE-looking installation.
After lots of upgrades, 37 tires, 5.13 gears bumpers and winch the 3.8 motor just did not do it. This makes a world of difference and at 1/4 the cost of hemi. Not the same as a hemi but for me it's all I need. I would say the gains are as Magnuson claims!