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Muffler to Turbo Tubing Size
Anyone know what size the muffler tube is that connects to the turbo?
Thanks, Pat
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10 Ford Raptor 86 930 |
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02-09-2007, 08:55 PM
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I don't have stock exhaust system, but mine is 3" in dia. It looks like good match to turbo outlet.
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86' 930 red "Wild @ss Hotrod" Thanks John 
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02-09-2007, 10:19 PM
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Join Date: Mar 2002
Posts: 3,563
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3" it is...
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition 
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02-09-2007, 10:51 PM
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The outlet on my K27HF2 is about 2-3/8". I taper the exhaust up to 3-1/2" though.
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2014 Cayman S 2011 Cayenne Turbo 1979 930 (475 rwhp at 0.95 bar) |
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02-10-2007, 04:52 AM
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Thanks guys.
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10 Ford Raptor 86 930 |
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02-10-2007, 06:44 AM
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Crotchety Old Bastard
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The stock muffler inlet ID on a '78/9 930 is 70mm or 2.75", the OD may appear to be 3" but it is less.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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02-10-2007, 10:02 AM
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930
1986 Porsche 930 3.3 turbo
1979 Porsche 930 3.4
78 Porsche 911SC 3.0L, 3.3Turbo soon. 
