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Old 05-25-2017, 02:14 PM
Bimmer-Bob Bimmer-Bob is offline
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Join Date: Jul 2016
Location: Anacortes, WA
Posts: 431
Quote:
Originally Posted by jake12tech View Post
If you put a bigger turbo, you mine as well customize the exhaust and make it a little bit bigger.
Quote:
Originally Posted by tomnik View Post
From my experience with 603a with 8.5 and 7.5 mm elements, stock engine, stock turbo and just custom 3" exhaust I don't see the need of an intercooler.


Will a larger turbo need a larger-diameter exhaust to work properly? I can see going to a custom exhaust shop and having wider pipes fabricated from the headers back, but wouldn't the exhaust manifold itself still be a bottleneck? I'm not aware of any larger-diameter, mandrel-bent headers for these cars...
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1992 300D 2.5 Turbo
W124.128/OM602.962/4G-Tronic 722.418
Dieselmeken 7,5mm | Sportline Interior
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