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Kraftwerks 06-11 Civic Si Supercharger Kit Rotrex 8thcivic k20z3


Product Description

The Kraftwerks 2006-2011 Honda Civic Si Supercharger Kit for the 8th generation 06-11 Honda Civic Si K Series motor, featuring the belt driven Rotrex system. This bolt-on system is full feature and all you need to run comes in the box. You can install yourself or have a recommended installer install this system for you. Based off the Rotrex C30-94 blower, this belt driven system gives you reliability, consistent results and power that comes on with less lag than a turbo system. Out of the box your car can get around 340-380hp depending on the header, exhaust and tuning done to the car with 220-240lb/ft of torque. What you will find is a car that can spin the tires in 3rd pretty easily yet still remain drivable around town. Driving the car will have some turbo charging woosh blow-off sounds that a lot of people do enjoy.

The powerband is linear and wide giving you an easier to control throttle but still enough power to really accelerate quickly when the time is needed on the track, course or while moving through the highway. The Rotrex system uses a patented traction drive system to apply power when needed. The kraftwerks kits run cooler, needs less maintenance and you don't need to tap your oil pan since the oiling and cooling system is self contained. This kit retains factory A/C and power steering and the system can be upgraded to reach over 400HP.

We have personally tested and tuned this kit ourselves on our own 8th gen civic si test car and are glad to answer any question you may have about it.

• 340-380 hp / 215-240hp lb-ft Torque When Paired With Skunk2 Header and 76MM Exhaust
• Rotrex C30-94 Supercharger
• 1,000cc/min. GRAMS High Impedance Fuel Injectors with Plug-and-Play Connectors
• 110mm Pulley (10psi)
• High-Flow, Cast Aluminum Intake Manifold
• Front Mount Intercooler (23 x 7 x 3 Inch)
• Aluminum Intercooler Piping
• Rotrex Oil Cooler
• Retain Factory A/C and Accessories
• High-Quality CNC-Machined Brackets
• High-Quality Fasteners and Hardware
• Recirculating Bypass Valve


Kit comes with or without flashpro:
150-05-1330 (Without FlashPro)
150-05-1331 (With FlashPro)

2006 2007 2008 2009 2010 2011 Honda Civic Si
06 Civic Si 08 Civic Si 09 Civic Si 10 Civic Si 11 Civic si
k20z3 motor Sedan or Coupe

HARDmotion Tech Tips: To help you run this kit the best on your 8th gen civic si - You may want to purchase the hondata 4bar map sensor due to psi getting very close to max what the stock 3bar sensor can do. - We hear you can run the stock clutch but if you want to upgrade we suggest the exedy stage 1 clutch mated to the stock or exedy lightweight flywheel. - If you intend to drag race or run slicks look at the stage 2 Exedy Clutch. - We suggest you upgrade your worm clamps in the kit to a t-clamp, this reduces chance of boost leaks and looks better and is easier to install. - Also take a look at the kraftwerks upgraded blow-off valve vs the included bosch plastic blow-off. - Also we suggest the hasport rear engine mount or complete mount set to also help reduce wheel hop under hard launching.

Click here for base tune: Download BaseTune [might need to right click link and hit save as]

Product Reviews

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  1. So much fun... 5 Star Review

    Posted by on Dec 17th 2016

    Love it, tons of power, easy install. All the bits and pieces you need. Fast Shipping, better price than anyone.

    #KRAFTWERKS for the win.

  2. These guys are the best 5 Star Review

    Posted by on Dec 11th 2016

    I found their site through youtube when googling about the kraftwerk kits. Very friendly and knowledgable...gave me a killer deal and helped with install questions along the way that no one else could answer.

    DEF the goto guys for the 8th gen civic and kraftwerks kits!

    -- DAVE

  3. Killer deal! 5 Star Review

    Posted by on Nov 25th 2016

    Best deal I found, very fast shipping, very knowledgeable about their product. I installed the kite and their recommended clutch package. Drives like a dream and the power of the kraftwerks is unbelievable!

  4. Explosive power 5 Star Review

    Posted by on Nov 22nd 2016

    This kit turns your civic from a daily commute into a daily rocket. I spin through third gear...its just that fast. Really need to upgrade my tires now, unbelievable....thank you to the crew at hardmotion for fast shipping and the best price like usual.

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