[Vwdiesel] 2.5" exhaust

[Evan O'Brien]

Hey Terry,
I heard that a glass pack muffler won't be good on a diesel. something about 
soot collecting in them or something like that and flow being restricted. I 
just bought a techtonics tuning exhaust and downpipe for my 1.6 td and got 
the dynomax muffler instead based on this advice.

Terry Briggs wrote:
>Well I got some good news. Having talked with a diesel guru the other day, 
>he told me that the cutoff for any type of increase in pipe diameter would 
>be around 2.5" for a 1.6 na diesel. The one thing that he said would help 
>the greatest, along with a size increase would be some sort of performance 
>header like the hotrods use. I don't think they make such a thing for a VW 
>diesel, and I don't have the cash to have one fabricated from stainless {if 
>your gonna do it, do it right}  So I have it setup to go to a shop around 
>here and have the exhaust ripped out from about half way down the head pipe 
>back. 2.25" pipe, with one of those california turbo mufflers. They are 
>short with very little restriction and only cost $20, it's either that or 
>try just a glass pack and tail pipe. Will be interesting to see what 
>happens with the fuel mileage.