• American Diesel and Gas - Provides solutions to reduce fuel consumption and increase engine efficiency and longevity. Includes case studies.
• AutoGym - Offers a range of tuning services, including ECU remapping and NOS system installation.
• BHP Tuning - Specializes in tuning and ECU remapping. Includes company details and description of chip tuning techniques.
• DMS Automotive - Offers engine upgrade services. Includes company profile, product overview, news and events.
• Dmtuning - Offers chip tuning services. Includes product overview, technical data and company profile.
• ECUtune - Manufacturer of engine management and induction systems. Includes service overview and company profile.
• E-Maps - Specializes in remapping and tuning of car chips. Includes product catalog and company profile.
• Evolve Automotive - Remapping specialist that offers performance tuning for most European makes and models.
• Ferrea Racing Components - Manufacturer of valves and valve train components for racing and high performance applications.
• Fluidampr - Manufacturer of high performance harmonic dampers for racing or street use.
• Fujita Air - Manufacturer of performance intake systems for a wide range of vehicles. Includes catalog, dealer list, application data and testimonials.
• H. & N. Electronics - Dieseltuning specializes in making TUV and CE certified tuning modules for diesels.
• Holley Performance Products - Distributor of engine parts, carburetors, fuel systems and nitrous oxide devices. Includes product overview, catalogue and dealer list.
• JBA Racing - Parts and service for performance vehicles. Includes information about packages and services.
• K&N Performance Filters - Manufacturer of air intake systems for most cars, trucks, sport utilities and motorcycles, designed to increase power and torque.
• Luxury Car Tuning - Specializes in luxury car tuning. Includes service overview and company profile.
• March Performance Pulleys - Manufactures high performance components, specializing in pulleys, ram air, and related parts for GM and Ford 8-cylinder engines.
• Muyol - Designer and manufacturer of performance parts for automotive engines. Includes company profile and product overview.
• Racing Concepts - Specializing in LSX-based turn-key and custom engine conversion kits.
• Raptor Performance - Manufacturer of miniature, self contained shift lights for better engine management. Includes product overview.
• Reher-Morrison Racing Engines - Builder of pro-stock engines. Includes service overview and company profile.
• RocketChip - Offers performance tuning for European, domestic, and Japanese vehicles.
• Stage 6 Motorsports - Specializes in installation of custom and aftermarket turbo systems, dynamometer tuning, nitrous refills and drivetrain modifications. Includes service overview and company profile.
• Torqtec - Specializes in diesel tuning products. Includes product overview.
• Tuning Box - Manufacturer of turbo diesel power kit, designed to boost output of diesel engines.
• Upsolute Chiptuning - Specialized in chip tuning for European brands. Includes company profile and product database.

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