Forced Induction Custom FI Setup Questions

Turbo Manifolds

Old 05-28-2012, 10:20 AM
0.0 BAR
Thread Starter
Join Date: May 2012
Posts: 1
Cool Turbo Manifolds

Have a B18 engine and am looking into getting a new turbo manifold. I used to have a stainless steel manifold it was not ram horn type.
I am not sure what kind you would call it other than it was a bottom mount non ram horn type of manifold.

I was wondering if anyone knows how much better a ram horn manifold really is compared to a traditional turbo tubular manifold for a B18.
If the ram horn equal length manifolds do not make that big of a difference then I will probably just stick with a regular tubular manifold since I dont wanna have to mess around with trimming my power steering bracket.
IntegraTurbopresser is offline  
Old 05-31-2012, 02:25 PM
1.5 BAR
Join Date: Oct 2009
Location: CHICAGO
Posts: 934

ram horn(equal length headers) have there advantages but there biggest advantage is consistant timing of exhaust pulses which help to spool the turbo. unless your building your engine for a lot of power dont waste your money. for low to mid boost applications, a log manifold will do just fine. i know many people making over 500hp on a 4 cylinder engine with a log manifold so to me an equal length manifold doesnt seem worth the ~1000.00 price tag.
busa4 is offline  
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