Tri zinger help

[Fallon10455]

I just purchased a zinger that I wanted to put some more pep in its step. I've been looking at a 47mm bore upgrade, but I was wondering what to do about the stock carburetor and exhaust. Any help would be awesome

[shortline10]

Dg used to make a performance pipe , looks discontinued now . One on eBay but over priced .
4 zinger is the same .

https://www.ebay.com/itm/364381253949?hash=item54d6d0b13d:g:d38AAOSwdQdkxCJ B&amdata=enc%3AAQAIAAAA4IX50HzCdvNQeDDgFCWg1w3qf2MHS 7mAUQeR7e5KNrKFE62yVrv9AjoqD0uF%2FQP9sNusGwh5rdJrG mMfU84yVoT7PvQHjErESONXHqRuMoAxe965Ovtu%2BzGtm12Ww 6Mxh2nV5PlVIdzdhdMetxhUpWnJjknjNQuCXVY6dYcl8nZ8yvc Y34EYSL0T1y%2F%2FGHjYUXDKxwU%2F5sTfWzTcrquPfm1LCYd lZ44s9Ac8Z2MqvyGlAUNn4F%2BsSp8W1LUyFTQi2VZx5ch1SjO fm%2B%2B5aE0byS%2BaouAa4arzeQ78rHXjRXWB%7Ctkp%3ABF BMwI3L6phj