You won't get any performance gain by fitting a snorkel(IMO).
I have a 300 tdi, and I feel like I've lost a small amount after fitting snorkel. It's not much, as the tdi already doesn't have a lot of power/torque to lose anyhow.
But definitely fuel economy has decreased ever so slightly by comparison.
Before snorkel I used to get 10 - 10.5 l/100 after it definitely harder to get 10 consistently, and most drives it's about the 9.7l/100 range.
Of course fuel consumption isn't an accurate metric to use as a psuedo dyno ... but these figures are over many thousands of klms, not just per tank.
Would I still fit a snorkel again, knowing 'what I know'? Yep! ... driving on dusty/gravel roads keeps the air filter so much cleaner.
With the recent couple of years of lockdowns, haven't had the chance to do much driving, and it seems such a waste to change a perfectly clean filter as it stays so much cleaner in all weather conditions now.
Arthur.
'99 D1 300Tdi Auto
'03 D2 Td5 Auto
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