On the pipes, you can also hit up Mike at Rocky Mountain Westy, he's
helped a few customers with a Bostig specific cut:

Details at Bostig Knowledgebase:
https://bostig.zendesk.com/entries/22443116-Using-GoWesty-Stainless-Pipes-with-a-Bostig

Jim Akiba

On Mon, Jun 24, 2013 at 4:33 PM, Andrew Philbrick <philbrickvw@gmail.com> wrote:
> I went for the 2 piece kit (
> http://www.thesamba.com/vw/classifieds/detail.php?id=158498 to be
> specific).  I think the main difference between one piece vs split pipes
> would be in dropping the gas tank (regardless of which engine you are
> running.  I would imagine that it would be the same difficulty to connect a
> single piece to the engine side as the split piece.  Your big hold up is do
> you want to drop the gas tank or not?
>
> The stainless steel should fit either way assuming your bostig hooks up to
> the stock coolant pipe location.  The stainless steel pipes are basically
> copies of the stock plastic pipes (same bends and sizes).  Plus the split
> ones should save you some shipping (split pipes fit in a smaller box)
>
> Andrew
>
>
>
>
>
>
> On Mon, Jun 24, 2013 at 2:43 PM, Marco <nwmarco@yahoo.com> wrote:
>
>> Hi,
>>
>> I have a 1986 Westy Weekender that I am putting a Bostig conversion into -
>> still waiting on some of the parts...
>>
>> While I have everything out, I pulled the plastic cooling pipes and
>> replaced them (and the heater lines, and the radiator).
>>
>> I bought a set of the stainless steel pipes from the Bus Depot. I haven't
>> hooked them up at the engine compartment end yet, but they appear to fit OK
>> over the fuel tank and at the radiator.
>>
>> The break in the lines is aft of the fuel tank so you don't have to drop
>> it to install the pipes.
>>
>> Cutting the plastic pipes in the middle makes them easy to remove.
>>
>>
>> Just be careful to label which pipe is which and match the plastic ones
>> w/the metal ones you are replacing so the bends will line up.
>>
>> Cheers,
>> Marco in Seattle
>>