Air filter

Here is hard to find original air filtering element and found 1-2 ~30$; they seems not so good quality.

Decided to change air filter housing:
1. suitable air flow
2. availability of filtering element

Donor engine is 2.7L TDI, air filter is cylindrical instead of old rectangular one.

Inventory:

before removal of old housing:


bye bye my friend:


got a space:


diameter of old and new airway:


test fitting:


fittings for for PCV hose and charcoal canister connection




finished:


test run: no additional sound, feeling good breathing and power.