Tubo help
 

i have the stock turbo off a cummins with a 5spd and the impeller is bent i'm wondering if anybody knows where i can buy a rebuild kit for it and a bigger housing.

You can pick up an HX35 rebuild kit on ebay for about $50. As for the bigger housing check out Bomb Exchange - Diesel Bombers .

You just wanting a bigger exhaust housing?

i'm looking to get a bigger turbine housing i found some online but i want some input before i buy one. should i buy an hx40 housing and impeller or should i buy a bigger hx35 housing?