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Some crazy modified cars exist out here but you do need to know someone within the registration/licensing department or pay sill money in order to get away with it. Alternatively you can just be lucky and they wont notice, but im not from here so they will notice lol Will do more research into the shorty headers with test pipes or the long tubes. From past experience tuning LS2's im assuming the same rules apply with this engine, the long tubes will add more to the top end but lose a touch at the the lower rpm's? I rarely extend the car to the higher RPM's so if the long ones lose power low down I think it will make my mind up for the shorties and test pipes. |
Actually its just the opposite with these motors… http://www.the370z.com/intake-exhaus...vids-dyno.html
but this is just based of one persons results… if your looking for some low end, look into getting the Motordyne intake manifold also. Im not sure how the Z1/momentum headers compare to the long tubes, but seems it would be the same result, more high end. but I could be wrong. hope this helps |
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I agree. long tubes do seem to have a sound that test pipes can't replicate however.
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So he made 330 WHP and 270 WHTRQ, Motion Lab just tuned a car with less mods( Intake+TP's stock exhaust), No headers and made almost the same WHP( 321) and more WTRQ(289)???
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is there a thread to this, id love to read up on it |
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I'm not against headers for very serious racers
but for the 07/08 HR's & the 370 Z's, the manufacturer made/installed excellent headers! Might as well say excellent dual intakes as well, yet those seems like the first things that are replaced :confused:
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I run K&N drop in, I did not notice a change in anything. I later bought HPS silicone tubes and still no difference.
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I mod for performance not sound-as far as sound
test pipes or after market headers when driven on the street make the cars sound like chit. Raspy, crappy, chit!!!! So I don't get it :confused:
If you're looking just to sound loud then take the muffler off. |
I have the following setup:
Fast Intentions longtube headers Motordyne XYZ-pipe, w/ cat exhaust is stock other than those parts. yes, it's not the most ideal setup for all-out HP. just cruising around, light throttle and low rpm my exhaust is just a hair louder than stock. just enough to let you know it's not stock. once you put your foot into the pedal it comes alive, but not super loud that any cop within a mile will hear you coming. I'll have to break out the gopro one of these nights... |
get PPE equal length headers, they have better gains than FI LTH iirc
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preferably dont get a PO box, get a UPS or Fedex box since it says the address of the store followed by your mailbox number so it looks like an apartment at first glance and no 2 year check up |
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