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RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 13,756
Aircraft Spruce & Specialty carry SCAT and SCART tubing. I recommend the aluminum tubing for use with headers as it can touch the pipes without harm and conducts heat better as it warms up with the system.

We have replaced many short tube header systems with our tuned system. We see a 35whp gain on a stock Euro 3.3L engine with short tube headers; our tuned headers show a 50whp gain. Another plus is the properly designed waste gate circuit. The short tube systems use a cheap elephant nose that juts out under the turbo flange at a horrible 90 angle. We take a signal off of each bank at a more shallow angle and merge them for use with a single waste gate. We also have options for dual waste gates. All headers are split plenum so you can use a split volute turbo with dual waste gates for a true divided system.

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 01-02-2018, 05:47 PM
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