About us

WHO WE ARE

HANG FUNG INTERNATIONAL TRADING LIMITED’s brandDieselPerf(official website:DieselPerf.com) is a professional supplier specializing in diesel truck emission system optimization and related accessories. We are dedicated to providing diesel truck owners with one-stop solutions forpower enhancement, efficiency optimization, and maintenance cost reduction.

Our Products and Solutions

We focus on diesel truck emission system optimization and supporting accessories, building a professional product matrix for owners with different vehicle models and needs:

Core Emission Optimization Products: Including EGR delete kits, DPF delete exhaust pipes, tuners, etc., which are precisely compatible with mainstream diesel truck series such as Powerstroke, Duramax, and Dodge, helping owners break through emission restrictions and unleash power potential.
Full-scenario Supporting Accessories: Ranging from stainless steel exhaust pipes, fuel tank and oil pan kits, to differential covers and battery mounts, covering multiple Ford and other brand diesel truck models from 1986 to 2024, meeting the diverse needs of vehicle upgrading and maintenance.

Strict Quality System

We have our own IATF-16949 certified factory, implementing multiple quality inspections to ensure the high quality of every product.

Competitive Pricing

Through direct brand sales, we offer high-quality products at more reasonable costs.

Professional Product Line

We focus on diesel performance upgrades, covering core components such as DPF/EGR removal pipes and professional tuners.

Rapid Customer Response

Our online customer service team consists of industry professionals who can quickly respond to your technical and order inquiries.

Fast Shipping

Dieselperf has shipping centers in both the East and West coasts of the United States, enabling faster order processing and delivery.

Practical Illustrated Installation Guide

With our free illustrated installation and operation guide, you can easily complete the installation.

Core Value We Create for Owners

Choosing DieselPerf means choosing the dual benefits of "Cost Saving + Performance Leap":

Drastic Reduction in Maintenance Costs: We help owners remove easily faulty emission systems such as EGR, DPF, and SCR, avoiding high annual maintenance expenses (e.g., DPF cleaning costs around $300, SCR failure repair costs over $5,000). Long-term use can save up to $25,000 in maintenance costs.
Vehicle Performance Upgrade: After emission system optimization, trucks have significantly enhanced power and improved fuel efficiency, while solving pain points such as frequent check engine lights, simultaneously improving driving experience and operational efficiency.

Contact Us

Business Hours: Monday to Friday, 9:00 AM - 6:00 PM

Email: service@DieselPerf.com;

Phone: 13250131608/ 85253810098

Address Information:

Company Address: RM 602, 6/F, KAI YUE COMM BUILDING, NO.2C, ARGYLE STREET, MONGKOK KOWLOON,HONG KONG

US Warehouse Address: 5700 E Airport Dr,Suite 2A, Ontario CA 91761