Quote:
Originally Posted by BowtieGuy
You are moving the same amount of exhaust gasses either way. Even if you added larger diameter pipes I don't think his tubing from DP to tip was five inches, so there is still no reason for that. Putting the least amount of restriction at the very end makes no sense.
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There is some for with the function for sure, but yeah I had 4" from the turbo back on mine with a pretty mild-sized turbo. If they're running a large turbo 5" all the way back is not unthinkable.
Quote:
Originally Posted by KatarHol
How are those Previous Gen Skylines street legal? I thought a car had to so old to be exempt.
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They can be converted to US standards, it's just so expensive most people don't bother with it.