WebSep 3, 2008 · 18,696 Posts. #3 · Aug 21, 2008. just find yourself a catless, bellmouth, 3" downpipe. divorced wastegate is up to you, all it does it make the gases flow into each other without creating turbulence...i had one on my sti and it was great. maddad and invidia are probably the most popular brands, along with helix and cobb (but cobb tapers to a 2 ... WebFeb 17, 2011 · I'll be swapping in an EJ20G with TD05 16g in the next month or so, and I need to find a downpipe that will be compatible with this engine/turbo. I need something catted to pass inspection and preferably a divorced wastegate (vs bellmouth). I'll most likely be running a Borla Hush catback to...
Bellmouth vs Divorced downpipes which is better?
WebOct 19, 2006 · A divorced pipe, because it matches the turbine exhaust size better, will have a smoother transition of the flow, creating less backpressure on the turbine. I am making boost about 300-500 RPM sooner with a divorced pipe than my friend with a similar '04 STi with a bellmouth. WebOct 24, 2005 · The bellmouth has all the gasses including the wastegate build up in a large bellmouth before entering the smaller pipe, it is an effective design but it still does create some turbulance. The divorced wastegate seperates the gases and lets them meet further downstream from the turbo where it is easier to join, supposedly allowing less ... nissan murano 2022 lease deals
Exhaust - Simple downpipe question IW STi Forum
WebMay 22, 2008 · After having some problems running stage 2 maps with the Cobb AP (may be due to corksport downpipe...which is divorced wastegate vs bellmouth), I started doing some research on both of them. I came across this.... is a pretty cool article. The place I found it from, they must have been debating... WebInvidia Catted Downpipe Divorced Bellmouth - WRX 2008-2014 - STI 2008-2024 - More Regular price $729.90 USD Regular price Sale price $729.90 USD Unit ... Invidia Catted Downpipe Divorced Wastegate - WRX 2002-2007 - STI 2004-2007 - Forester XT 2004-2008 Regular price $649.60 USD ... WebJul 30, 2010 · Vehicle: 2007 impreza wrx sti. pearl white. Not a noticable difference between them, minute if any, when they are on the car. But technically the divorced waste gate … nuova wrangler 2021