Straightline
Straightline Automatic Backup Beeper KIT POL (287-121)
Straightline Automatic Backup Beeper KIT POL (287-121)
Straightline Automatic Backup Beeper KIT POL (287-121)
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Straightline Automatic Backup Beeper KIT POL (287-121)Straightline Automatic Backup Beeper KIT POL (287-121)Straightline Automatic Backup Beeper KIT POL (287-121)
Straightline

Straightline Automatic Backup Beeper KIT POL (287-121)

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SKU: 287-121

Straightline Performance introduces a revolutionary plug-and-play backup beeper system designed ...Read more

Price:
$198.96 $199.95
1980 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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Product Details

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Straightline Performance introduces a revolutionary plug-and-play backup beeper system designed for maximum simplicity, precision, and reliability. There is no splicing wires, drilling switches, and complex installation, our system connects directly into the vehicle’s diagnostic CAN port. This innovative design allows the controller to automatically read ECU signals and turn on the backup beeper the moment the vehicle is shifted into reverse—no extra steps, no manual switches, no hassle.

  • True Plug-and-Play Installation
  • Connects directly to the diagnostic / CAN port.
  • No cutting, splicing, or complicated wiring.
  • Complete kit with wire harnesses, beeper, and controller.
  • Automatic Functionality
  • Beeper activates instantly when the vehicle is shifted into reverse.
  • No switches or manual input required.
  • ECU-driven logic ensures reliability and accuracy.
  • Premium Components
  • High end electronic beeper fully podded for long life.
  • Brand: Straightline
  • Part number: 287-121
  • Category: Audio/Visual/Communication

Straightline Performance introduces a revolutionary plug-and-play backup beeper system designed for maximum simplicity, precision, and reliability. There is no splicing wires, drilling switches, and complex installation, our system connects directly into the vehicle’s diagnostic CAN port. This innovative design allows the controller to automatically read ECU signals and turn on the backup beeper the moment the vehicle is shifted into reverse—no extra steps, no manual switches, no hassle.

  • True Plug-and-Play Installation
  • Connects directly to the diagnostic / CAN port.
  • No cutting, splicing, or complicated wiring.
  • Complete kit with wire harnesses, beeper, and controller.
  • Automatic Functionality
  • Beeper activates instantly when the vehicle is shifted into reverse.
  • No switches or manual input required.
  • ECU-driven logic ensures reliability and accuracy.
  • Premium Components
  • High end electronic beeper fully podded for long life.
  • Brand: Straightline
  • Part number: 287-121
  • Category: Audio/Visual/Communication

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