DPS Technical Inc.

Vehicle Sound & Compliance Experts

Over 30 years providing vehicle sound control, EPA emission testing, DOT compliance inspections, and USFS qualification services. Trusted by law enforcement, manufacturers, importers, and recreational communities nationwide.

01 Sound Control 02 Emission Testing 03 FMVSS Inspections 04 Spark Arrester 05 Products

Vehicle Sound Control

Comprehensive sound control solutions for law enforcement, code enforcement, race tracks, and recreational communities. From training modules to field-ready testing utilities.

Monitoring
Environmental Noise Control
Noise Camera traffic monitoring expansion for automated sound enforcement in communities and near sensitive areas.
Utilities
Sound Testing RPM Utilities
  • Full Version — Law Enforcement
  • Basic Version — Civilian
Coming Soon
USFS Spark Arrester Field Inspection Utility
A dedicated field inspection utility for spark arrester compliance — currently in development.

Vehicle Sound Emission Testing

EPA certification testing for motorcycles and replacement exhaust systems. Ensuring compliance with federal noise emission standards for manufacturers and importers.

Motorcycle Manufacturers Exhaust System Manufacturers Importers
Services
  • EPA Noise Emission Compliance Testing
  • Motorcycle Sound Level Certification
  • Replacement Exhaust System Testing
  • Pre-certification Consultation

FMVSS Vehicle Inspections

DOT compliance inspections for new vehicle importers. Physical inspection and documentation review to verify conformance with Federal Motor Vehicle Safety Standards.

Motorcycles Scooters ROHVs Low Speed Neighborhood Vehicles Utility Vehicles Electric Motorcycles Personal Transportation
Coming Soon
FMVSS Inspection Utility
Streamlined digital inspection workflow for DOT compliance verification — currently in development.
Coming Soon
Regulatory Compliance Educational Module
Comprehensive training on FMVSS requirements for importers and manufacturers.

Spark Arrester Testing to USFS Standards

USFS-standard spark arrester qualification testing using calibrated Flow Bench equipment. A rigorous three-step process ensuring arrester compliance for recreational and off-highway vehicles.

01
Component Inspection
Physical evaluation of arrester construction and materials
02
Application Preparation
Documentation and test configuration for qualification submission
03
Physical Testing
Flow Bench performance testing to USFS standards
Calibrated Flow Bench Equipment
All physical testing is performed using professionally calibrated Flow Bench equipment, ensuring accurate and repeatable results that meet USFS qualification requirements.

Products & Calibrations

Professional sound level measuring instruments and calibration services to keep your equipment accurate and field-ready.

Instruments
Sound Level Measuring Instrument Kits
Complete measurement kits for vehicle sound level testing — configured for law enforcement, code enforcement, and track-side use.
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Service
Accuracy Calibrations
Scheduled calibration services for sound level meters and related instrumentation. Maintain measurement accuracy and compliance.
Schedule

Ready to discuss your testing, compliance, or training needs?

West Coast

Kern County

California

East Coast

Onslow County

North Carolina