K40 has been creating the best radar detectors in the world since 1981. That commitment to product excellence – coupled with the real world expertise and dedication to service of the K40 team – is what keeps customers coming back again and again.
DRIVE TICKET FREE!
Get a ticket during the first year of ownership, we pay for it, subject to the terms and conditions below. Simply send us a copy of the radar or laser speeding ticket, your proof of payment of the ticket, and your receipt for your K40 purchase.
100% Ownership Guarantee
- 100% Performance Guarantee – If your K40 Radar Detector or Laser Defuser does not outperform any other radar or laser protection system 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 product for one full year from date of purchase.
- 100% Theft Guarantee – If your custom installed remote radar detector is ever stolen, we’ll replace it.
Professional Installations by the Professionals!