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Advanced Technology Protection Systems For Every Vehicle

Whether you lease or own, prefer domestic muscle or European refinement, K40 offers the world’s most advanced line of radar detection and laser jamming systems. There’s a high-performance option for every vehicle and driving style that has been engineered with a singular purpose: maximum protection from speeding tickets.

The World’s First Custom Installed Front and Rear Radar Detection System

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Screen Shot 2016-02-26 at 9.41.02 AMImagine a driving protection system so integral to your vehicle and driving experience that to the casual observer, it looks and operates like it was installed at the factory. That’s how the K40 Laser Jammer continues to deliver ever since the dual radar receiver system design in 1986.

K40 offers the highest radar detection performance available in a discreet, custom installed system. With separate front and rear receivers, you’ll drive with full confidence in knowing which direction a police radar threat exists.

Performance of a radar detector goes well beyond identifying threats. Functionality and convenience are of paramount importance. K40 enhances your driving pleasure with features like an automatic K-Band filter and Mark to Mute option that reject or silence annoying false alerts, as well as Mark to Alert option to notify you of important locations – such as a red light camera – where increased observation vigilance is desired.

Want the ultimate threat protection system? Let Serious Autosport add up to four K40 Laser Defuser g5 laser jammers and you’ll have created a stealth mode of near invincibility!


K40’s Exclusive Guarantee: If you get a speeding ticket, they will pay for it!*

K40 was the first radar detector manufacturer in the world to offer a Ticket-Free Guarantee: all radar speeding tickets are covered in full, no questions asked, for one full year from the date of purchase.

K40 guarantees your satisfaction 100% and has offered the best guarantees in the industry since 1981. It’s a confidence that comes from over three decades of designing the very best automotive radar and laser protection systems in the world.

Along with the industry’s first Ticket-Free Guarantee, your K40 guarantee also includes:

  • 100% Performance Guarantee – If your K40 radar detector does not outperform any other radar detector you’ve owned, return it within 30 days for a full product credit.

  • 100% One-Year Quality Guarantee – K40 will repair or replace any defective radar detector for one full year from date of purchase.

  • 100% Theft Guarantee – If your K40 radar detector is ever stolen, they will replace it.

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