i wanted to know where i can sell some extra parts i purchased but didnt use..?? on 2009 Porsche 911 Turbo

i have the ipd intake plenum and also the throttle i believe thats what that is anyways i have no use for it and would like to sell it..any idea? where i can sell this item thankyou..

Asked by for the 2009 Porsche 911 Turbo
ebay, craigslist or a porsche forum online..
i tryed both ebay and cl...and nothing yet where else you think i should look thanks..