exhaust & PFC, what should I expect from my GTR?
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By Dose Pipe Sutututu · Posted
It will sound tragic and you wished you didn't have 1x exhaust per turbo. There's a reason why most S55 owners change to a single mid pipe. -
Echo the comments about the well preserved condition it's in. It has the aero bumper too for extra points. Nice car, and please keep it like that! 🙂 -
1. There are no real performance benefits. It sounds different, and as the pipes are not as large diameter you can claw back some undercar clearance or run lower (if that's your thing). 2. Twin pipes, offering exactly the same cross sectional area as a single pipe** will have higher pressure drop - so will not flow as well. That's because there is more surface area of wall per cross sectional pipe area, hence more frictional losses. ** But of course, it is almost impossible to get 2 pipes that are exactly the same XS area as a given typical single pipe. eg, 2x2" is not the same as 1x 3", although it is close. If the 2x pipes add up to less XS area than the single - it will just be flat out worse. If the 2x pipes add up to a bit more than the single, then it might come out as a wash. If the 2x pipes are substantially more XS area than the single, then it will probably flow a little better. 3. No. Why would there be? What have cats got to do with boost creep?*** ***But for f**ks' sake, please run a cat. 4. If you want. -
UPDATE: was able to have the bracket repaired and base repaired, seat is like new now ;) -
I was going to say it looks right out of Gran Turismo photoshoot when you just buy the car. (in a good way)
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