Unfortunately, no.
The exhaust approval process in Singapore (likewise for cars and bikes), are that the importer will have to request for all the necessary documents from the manufacturer - in your case "Cobra" to show all the technical, engineering, and emissions data that it is compliant for your bike.
Secondly you will have to pay a hefty fee (i've heard anywhere from 3-5k?) to LTA to go through the homologation process. And there is no guarantee that the exhaust will be approved after that as LTA will do their own testing as well.
That's why for rare bikes or bikes that peo