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Reviews

Enjoy a 5-star experience with good old-fashioned customer service and support. We personalize and customize the buying and radar detector installation experience for every fast-lane driver. Each system is installed by a Master Craftsman from K40’s elite dealer network. Our in-house team of experts is on-call and available 24/7, helping ensure you’re always receiving the best protection from police radar and laser. Visit us to experience the best in custom radar and laser detection system installation. Read our reviews below to see what real people are saying about their experience with K40 Electronics!

LaserJammerTests K40 Laser Defuser Optix Review

“The data speaks for itself…(Jam To Gun on all test runs)…I definitely stand behind the jammer…” Read More

 

Gear Diary K40 RL360i Expert Radar Detector Review

“I managed to pick up his (Sheriff’s Deputy) signal from 1.6 miles away coming and going!… I was speeding, and the K40 system gave me enough of a heads up that I had plenty of time to check myself and slow down. Possible tickets averted!” Read more

Right Foot Down K40 RL360i Expert Radar Detector Review

After writing an article about how he didn’t need a radar detector and getting quite a good amount of reader feedback that suggested otherwise, automotive enthusiast and writer Justin Hughes of Right Foot Down tried the K40 RLS2 portable radar detector. He was “quite impressed with how far the technology has advanced.”

To really convince Justin of the need for stealthy protection,…Read more

K40 RL360i Expert Radar Detector Review

Automotive enthusiast and photographer extraordinaire Jason Thorgalsen of JTPhotos.net shot an overview video of a K40 RL360i Expert radar detector and laser jamming system being installed in his BRZ by Eric from Custom Installations and Performance . Watch the video to see why Jason says it’s “an incredible system…everyone I show the system to can’t believe it wasn’t done at the Subaru factory, it…Read more

Right Foot Down K40 RLS2 Portable Radar/Laser Detector Review

“…an area infested with numerous false radar sources. Yet the RLS2 doesn’t give me a single false alert there. Impressive. Most impressive.” Read more

Automoblog K40 RLS2 Portable Radar/Laser Detector Review

“You will be pleasantly surprised with its many features, top-notch performance, and up to 13 customizable settings for individual drivers.” Read more

 

 

Cerebral-Overload K40 RLS2 Portable Radar/Laser Detector Review

“…comes with a great guarantee…easy to set up, offers lots of functions both detection and safety-wise…” Read more

Breed of Speed K40 RLS2 Portable Radar/Laser Detector Review

“I couldn’t believe how far away I was from the speed trap yet the detector was going off as if I was right next to the officers. It’s easy to use, it gets the job done, and comes with features that sets it a bar above the rest.” Read more

Geek News Central K40 RLS2 Portable Radar/Laser Detector Review

“Overall, I am very impressed…the RLS2 Radar/Laser Detector is one of the best on the market…” Read more

Charlotte Observer K40 RLS2 Portable Radar/Laser Detector Review

“I’ve used it for a while and haven’t gotten a ticket…it’s packed with amazing features past the Ticket-Free Guarantee program.” Read more