Headers or Test pipes or both with stock exhaust?

Tempestz

Awesome! i was unsure of how they did it in New york. thats one state i have not had the privilege of being able to live in yet.

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luigi90210

get PPE equal length headers, they have better gains than FI LTH iirc


lol cali isnt that bad, get a mailbox outside of smog zones and register your car and change your address there than set up mail forwarding from your new address to your home address

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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DD:2011 Mini Cooper S stock

After_Shock

We don't have emissions tests in the Dubai (well we do but they never use them) its just noise and altering from standard are the issues.

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.

Tempestz

Actually its just the opposite with these motors… F.I. Long-Tube Headers installed - Review/Pics/Vids/Dyno

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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After_Shock

Interesting reading on that thread, suppose the shorties give the flexibility of going straight to test pipes and if the noise is too much replace with resonated/cat equipped ones, the long tubes from the vids ive watched seem to rack the volume up a notch or two.

Tempestz

I agree. long tubes do seem to have a sound that test pipes can't replicate however.

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ANMVQ

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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Tempestz

Impressive

is there a thread to this, id love to read up on it

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ANMVQ

Yea its on here, A few below this one !!

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After_Shock

Good results but no doubt not on the same rollers so some variances will exists. Is their a vid to this one with tp's and stock exhaust be interesting to hear what the results sound like?

andre12031948

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

After_Shock

Test pipes might be the best first move then? See how I get on and if want a bit more sound go headers!

After_Shock

Also im not considering changing the air intakes as I need the engine bay looking as stock as possible for the yearly check we have here, are upgraded panel filters inside the air boxes a worthwhile upgrade?

Chuy

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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RIP Ginger 2009 370Z Sport Touring

andre12031948

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

If you're looking just to sound loud then take the muffler off.