CLF Exhaust | High-Performance Emission Control Systems

About CLF Exhaust

Wuxi Chuanglifan Exhaust System Co., Ltd is a leading independent manufacturer of aftermarket emission control systems based in Wuxi, Jiangsu, China. With years of engineering expertise and a commitment to innovation, we specialize in producing high-performance catalytic converters, diesel particulate filters (DPF), and exhaust flexible pipes.

Our mission is to provide customers worldwide with superior quality, competitive pricing, and exceptional service. We are dedicated to environmental sustainability and compliance with global emission standards.

15+

Years Experience

50+

Global Markets

100%

Quality Tested

Our Products

We offer a comprehensive range of emission control components designed for durability, efficiency, and compliance with international standards.

OEM Catalytic Converter

Precision-engineered to match original equipment specifications for seamless integration and optimal performance.

• Direct-fit replacement
• High-efficiency substrate
• Durable stainless steel housing

Universal Catalytic Converter

Flexible design allows for custom installation on a wide range of vehicles and exhaust systems.

• Multiple sizes available
• Weld-in or clamp-on options
• High-flow ceramic substrate

Exhaust Flexible Pipe

High-temperature resistant flexible joints that absorb engine vibrations and reduce stress on exhaust systems.

• Stainless steel braiding
• Corrosion-resistant core
• Withstands up to 1000°C

Round Metallic Catalyst

Advanced metallic substrate technology offering superior thermal conductivity and faster light-off times.

• Low thermal mass
• Excellent vibration resistance
• Ideal for high-performance engines

Ceramic Catalyst

High-porosity ceramic substrates with exceptional conversion efficiency for hydrocarbons, CO, and NOx.

• Cordierite material
• Available in various cell densities
• Thermal shock resistant

Diesel Particulate Filter (DPF)

Traps and removes soot particles from diesel exhaust gases to meet stringent emission regulations.

• Wall-flow design
• Regeneration compatible
• High filtration efficiency (>95%)

DOC (Diesel Oxidation Catalyst)

Converts harmful CO and HC into less harmful CO₂ and H₂O while supporting DPF regeneration.

• Platinum/palladium coating
• High conversion efficiency
• Durable under rich/lean cycling

SCR Substrate

Designed for Selective Catalytic Reduction systems using urea injection to reduce NOx emissions.

• High geometric surface area
• Ammonia slip resistant
• Compatible with vanadium or zeolite catalysts

POC / PDF

Passive Oxidation Catalyst and Particulate Oxidation Filter for light-duty diesel applications.

• Combines filtration and oxidation
• No active regeneration required
• Compact and cost-effective

Cordierite & Silicon Carbide

High-performance substrate materials available in various configurations and cell densities.

• PDF format technical specs available
• Thermal expansion control
• High mechanical strength

Our Workshop

State-of-the-art manufacturing facility equipped with advanced machinery and quality control systems to ensure precision and consistency in every product.

Precision Manufacturing & Quality Assurance

Our production line integrates automated welding, robotic assembly, and rigorous testing protocols to maintain the highest standards of quality and performance.

Full in-house production capability from substrate to final assembly
ISO-compliant quality management system
100% leakage and pressure testing on all units
Advanced emission bench testing for catalytic efficiency
Ongoing R&D to meet evolving global emission standards

Frequently Asked Questions

What types of catalytic converters do you manufacture?

We produce both OEM (original equipment match) and universal catalytic converters. Our product line includes round metallic catalysts, ceramic catalysts using cordierite or silicon carbide materials, and specialized substrates for POC, DPF, DOC, and SCR systems.

Are your products compliant with international emission standards?

Yes, all our emission control products are designed and tested to meet or exceed international standards including Euro 4, 5, 6, EPA, and other regional regulations. We provide technical documentation upon request.

Can you customize products for specific applications?

Absolutely. We offer OEM/ODM services and can customize catalytic converters, DPFs, and exhaust components based on customer specifications, including size, shape, substrate type, and coating formulation.

What is your production capacity and lead time?

We have a monthly production capacity of over 100,000 units. Standard lead time is 15-25 days after order confirmation, depending on product type and quantity. We support both small trial orders and large-volume production runs.

How do you ensure product quality?

Every product undergoes rigorous quality control, including material inspection, dimensional checks, welding integrity tests, pressure/leak testing, and performance validation. We maintain detailed traceability records for all batches.

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