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RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 14,390
Oh you'll see gains Chuck.
The trouble is that most folks do many upgrades simultaneously which throws off the test. Because of my business/hobbie I do one change at a time and it's off to the dyno.
Actually that is the real reason I don't have headers now - it would change my baseline for the muffler testing. So far I have dynoed all of my exhaust products using the exact same conservative engine configuration of 300WHP. I have one muffler design left to test and then it's time to mod MY car!

For your purposes Andy, I would buy a $200 J-pipe and get it all going. You can always change out to headers later on.
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
Old 02-26-2008, 06:36 PM
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