how big(diameter) is the exhaust crossover pipe on a 3400?
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I got about 1 5/8 inch inlet/outlet, widening slightly toward the middle, 45mm O.D. at the middle smooth section.Originally posted by ericjon262 View Posthow big(diameter) is the exhaust crossover pipe on a 3400?1999 GLS MP90 supercharged / 2003 GL MP62 supercharged / 2004 GLS stock
Magnuson MP90 / TOG's / 3 in. Magnaflow exhaust / MSD ignition / LS1 MAF / Racetronix pump / HP Tuners / TCE 68mm TB / 36 lb Inj
= Best track time: 12.951 @ 104.48, 1.839 60 ft. (Beech Bend Raceway Park, 11-23-13), 50 Deg. F
http://www.youtube.com/watch?v=hpVYZPbpPzk

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