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Where the standard catalyst uses a fine-mesh ceramic construction, this downpipe runs a low density metal catalyst. Both the first and second catalysts use 150 cells, cutting exhaust resistance considerably. The first catalyst section uses the smallest practical cells with an optimised precious metal ratio, holding purification performance while reducing exhaust pressure, and has been granted exhaust gas certification by a public institution. It is also designed to accept the factory heat shield to guard against heat damage.

Pipe diameter is 75mm against 70mm standard. Every weld is TIG, and the parts are buffed for finish. Dedicated brackets for both manual and automatic cars are included.

Key Features

Low density metal catalyst in place of the standard fine-mesh ceramic type
150 cells across both the first and second catalysts
Exhaust gas certification granted by a public institution
Accepts the factory heat shield
75mm pipe diameter, against 70mm standard
TIG welded throughout with buffed finish
Brackets for both manual and automatic cars included

Please Note

Downpipes

HKS Downpipe with Catalyser Toyota GR Yaris 24+ Gen 2