Specialist in cleaning and overhauling catalytic converters and diesel particulate filters.
Extend the lifespan of your diesel particulate filters and catalytic converters and save up to 80% on maintenance costs. Topcats is a certified reconditioning specialist (GroenGedaan). We offer complete cleaning, repairs, and overhauls for every make and model of Euro 5 & 6 ATS/EAS exhaust aftertreatment system.
We have experience with all major truck brands: DAF, IVECO, MAN, MERCEDES-BENZ, RENAULT, SCANIA, and VOLVO.
Our customers operate in automotive, transport, marine, logistics, construction, infrastructure, passenger transport, and agriculture. Our service includes:
• DPF cleaning and reconditioning
• SCR cleaning and reconditioning
• DOC cleaning and reconditioning
• EGR valve/cooler cleaning
• AdBlue blockage removal
• Installation of (custom) retrofit particulate filters
We are located in Lelystad and have a modern workshop with extensive machinery for the professional cleaning and reconditioning of catalytic converters and particulate filters.
For passenger cars and LCVs, we offer more than 3,000 catalytic converters and more than 1,500 particulate filters. Fast delivery and at the right price.
With years of experience and fast, customer-friendly service, you will always receive prompt and efficient assistance. Topcats is available Monday to Friday between 8:30 AM and 5:00 PM for your questions.
Tel: +31 (0) 88 9494 500
Email: info@topcats.nl








