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Pulse timing uses helmholtz theory to tune intake and exhaust runners to take advantage of 3 different "pulses" that occur in a running engine. Step headers are mostly used to keep velocity up and reduce back pressure where space isnt a luxury. Neither of those concepts are applicable to a...

Purpose of the larger pipe is #7, "Shorter and larger exhaust tends to lower EGT and increase available power" Mightymanx, no performance gain? could you explain your reasoning? The "D" turbo is better sized than the "C", but yes I'll agree neither is the best for making the most power. But...

Bigger from turbo back. Including the stack. I have found a place to get everything at a very reasonable price, I just need to know what angles I need.

Several reasons actually, 1. I like the look of the fender exhaust. 2. There are mufflers if its too loud, plus I have a 'D' turbo. 3. I dont like the exhaust down low 4. I am 27 and not ready to be mature about the exhaust noise and my hearing 5. I do not like to talk, or listen to my...

ttt!

What are the angles? I can obviously see the lower "j" part of the pipe is two 90s. What about the bend right before it comes up through the fender and turns into the stack? (45*? 30*?) what about the one that goes into the engine bay? (???) I am thinking about fabricating a larger diameter...