Harpic Max Power 10 vs Supermarket Own Brand Cleaner to clean Motorcycle Exhaust Pipes

Experiment between Harpic Power 10 and Supermarket Own Brand (Tesco) Cleaner to clean the exhaust pipes on a BMW R1200gs.

The r1200gs is a good bike to demonstrate with because it has two very separate exhaust pipes coming from each cylinder. Consequently, it was good for comparison.
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