How much are you paying? I may be able to get you a better deal.
It will compliment your other modifications. Don't expect too much from it on it's own. Dinan charges $500CDN to bore out a throttle body which is a complete waste of money. For the right price it's worth it.
'02 C32 AMG / '07 C280 / '07 CLS550 / '15 JKU Rubicon