10 bestCatalytic Convertersof June 2026

112M consumers helped this year.

1

Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml

Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml

Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml

Cataclean

9.8

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2

Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml

Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml

Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml

Cataclean

9.6

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3

MagnaFlow 51206 OEM Grade Universal Catalytic Converter, 2.5" Inlet/Outlet (EPA Compliant)

MagnaFlow 51206 OEM Grade Universal Catalytic Converter, 2.5" Inlet/Outlet (EPA Compliant)

MagnaFlow 51206 OEM Grade Universal Catalytic Converter, 2.5" Inlet/Outlet (EPA Compliant)

MagnaFlow Exhaust Products

9.4

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14% off

4

Bm Catalysts BM91598H - Catalytic Converter

Bm Catalysts BM91598H - Catalytic Converter

Bm Catalysts BM91598H - Catalytic Converter

BM

9.1

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6% off

5

Wynn's Catalytic Converter & Lambda Sensor Cleaner Petrol & Hybrid Additive Keeps Cat Clean

Wynn's Catalytic Converter & Lambda Sensor Cleaner Petrol & Hybrid Additive Keeps Cat Clean

Wynn's Catalytic Converter & Lambda Sensor Cleaner Petrol & Hybrid Additive Keeps Cat Clean

Wynn's

8.8

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OtherRelated productsUp to 5% off

Bm Catalysts BM91275H Catalytic Converter

Bm Catalysts BM91275H Catalytic Converter

Carlube Catalytic Converter Exhaust DPF Cleaner for Petrol and Diesel 500ml (Pack of 2)

Carlube Catalytic Converter Exhaust DPF Cleaner for Petrol and Diesel 500ml (Pack of 2)

Walker Exhaust Ultra EPA 16449 Direct Fit Catalytic Converter with Integrated Exhaust Manifold

Walker Exhaust Ultra EPA 16449 Direct Fit Catalytic Converter with Integrated Exhaust Manifold

Carlube Catalytic Converter Cleaner, Petrol and Diesel, 500 ml

Carlube Catalytic Converter Cleaner, Petrol and Diesel, 500 ml

6

Walker Exhaust CalCat Carb 81918 Universal Catalytic Converter 2.5" Inlet (Inside) 2.5" Outlet (Inside)

Walker Exhaust CalCat Carb 81918 Universal Catalytic Converter 2.5" Inlet (Inside) 2.5" Outlet (Inside)

Walker Exhaust CalCat Carb 81918 Universal Catalytic Converter 2.5" Inlet (Inside) 2.5" Outlet (Inside)

Walker

8.5

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6% off

7

Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml

Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml

Cataclean Petrol | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 500ml

Cataclean

8.3

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8

JT Exhaust Catalytic Converter Compatible with Toyota Corolla, Toyota Matrix 2003 2004 2005 2006 2007 2008 1.8L(EPA Compliant) (Standard EPA Grade)

JT Exhaust Catalytic Converter Compatible with Toyota Corolla, Toyota Matrix 2003 2004 2005 2006 2007 2008 1.8L(EPA Compliant) (Standard EPA Grade)

JT Exhaust Catalytic Converter Compatible with Toyota Corolla, Toyota Matrix 2003 2004 2005 2006 2007 2008 1.8L(EPA Compliant) (Standard EPA Grade)

JT

8.0

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9

Universal High Flow Sports Catalytic Converter 200 Cell EURO 5 HIGH FLOW

Universal High Flow Sports Catalytic Converter 200 Cell EURO 5 HIGH FLOW

Universal High Flow Sports Catalytic Converter 200 Cell EURO 5 HIGH FLOW

CBT

7.7

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14% off

10

Bm Catalysts BM91480H Catalytic Converter

Bm Catalysts BM91480H Catalytic Converter

Bm Catalysts BM91480H Catalytic Converter

Bm Catalysts

7.4

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