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**1ViciousGSX** · 05-06-2004

Plenty of people have gone very fast on the large GReddy FMIC. Remember that this is the same core used for the Skyline. The only benefit for shorter piping is quicker spool up and more of a straight shot. But this reduces the volume of the plenum charge available after the turbo. Larger pipes will slow down the velocity of the air flow which will reduce air temps slightly and reduce flow resistance. But 2.5 inch pipe is still bigger than the 60mm throttle plate.

I would like to see side by side numbers of a system with only the pipes being changed.

05-06-2004	#2
1ViciousGSX Admin Join Date: Oct 2003 Location: Sportsman's Paradise, LA. Posts: 5,382	Plenty of people have gone very fast on the large GReddy FMIC. Remember that this is the same core used for the Skyline. The only benefit for shorter piping is quicker spool up and more of a straight shot. But this reduces the volume of the plenum charge available after the turbo. Larger pipes will slow down the velocity of the air flow which will reduce air temps slightly and reduce flow resistance. But 2.5 inch pipe is still bigger than the 60mm throttle plate. I would like to see side by side numbers of a system with only the pipes being changed. __________________ My new band: Fall of August Click Me --> "V" <-- Click Me "You don't have a clue. You couldn't get a clue during the clue mating season in a field full of horny clues if you smeared your body with clue musk and did the clue mating dance." When she get's bitchy, SPANK THAT ASS! (#Y#)