Supercharged/TurbochargedThe increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.
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1999 SE, Pearl White/Black leather - Fully loaded with all factory options except TC (ABS, heated seats, side airbags, etc.) - Supercharged (322 HP / 307 TQ)
The less restriction the quicker the spool and the more power on a turbo car at least. I read an article awhile back about some people going to 4". These are people who only race though and the exhaust loses velocity when it cools, so unless you are pushing out some high exhaust gases there would be negative gain. For a maxima, I think 3" would be enough. If it was a supra that would be a different story.
The less restriction the quicker the spool and the more power on a turbo car at least. I read an article awhile back about some people going to 4". These are people who only race though and the exhaust loses velocity when it cools, so unless you are pushing out some high exhaust gases there would be negative gain. For a maxima, I think 3" would be enough. If it was a supra that would be a different story.
I can see maybe for turbo. But I wasn't even sure if he meant exhaust - or intake - and where would one get a 3.5" exhaust anyway? I always question the benefit of a large exhaust when you can't go large the whole way anyway.
__________________ Cleaning up the .org's grammar, one member at a time.
1999 SE, Pearl White/Black leather - Fully loaded with all factory options except TC (ABS, heated seats, side airbags, etc.) - Supercharged (322 HP / 307 TQ)
You'd make a 3.5" yourself - when you start getting into serious setups you don't buy off the shelf stuff. You can NEVER go too big after the turbo. It's impossible. The most ideal size exhaust after the turbo is infinite size i.e. no exhaust at all. Of course there are diminishing gains as you go up in size, but there are gains to be had the bigger you go.
I am kind of getting the impression that qbridge is talking about intake side piping though. I can't see why he'd be concerned about exhaust side piping dissipating heat.
I was asking for turbo piping on the intake side. The downpipes would be 3.5" but that would be SS because of the high temps.
The idea I'm tosing around is to get a VQ40 and swap that into my G and do a single turbo system with 3.5" piping on the intake and exhaust side.
Does anyone know if the VQ40 has a 3.5" TB? Or is it 3.25"?
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