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There are, but not with your auto transmission. Rebuilding your ko4s is the best option.
Depending on the condition of your intercoolers, might wanna rebuild/buy new.

+1
Bufkin pipe http://www.ebay.com/itm/Aluminum-Audi-oil-cooler-pipe-for-4-2L-V8-Engine-A8-A6-RS6-Phaeton-/252834509988?hash=item3ade1c74a4:m:m1z0LyY3ClGY_pnR7IYTtyQ&vxp=mtr
This little part could...