Bryan, I was originally wanting to do tri-y headers but have been talked out of it due to the sensitivity in getting the lengths correct. From what I've found it is critical and can rob power if done incorrectly. What I had decided on was to do "normal" long tubes with a tri-y merge collector with the collectors all laying flat instead of the first two being perpendicular to the final collector. That way, I only have 1-3/4" pipe to fit under the toe boards. From there, I would just go into 2.5" pipe which only hangs a little below the subframe, maybe 1/2". Tri-y's would definitely solve my issues if I could find someone willing to say what lengths I need with certainty that they would work and not choke the engine.
Cone said flat 4 into 1 collectors are not good. SPD has a 4 into 1 flat merge collector that may work but I still have to have really long primaries to get to where I can use that collector as well.
Basically, on the driver's side the clutch slave cylinder sticks out right where I was wanting to place the collector.
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Trey
Current rides: 2000 BMW 540i/6 and 86 C10.
Former ride: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
Last edited by WSSix; 11-04-2014 at 08:51 AM.
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