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I think I'll wait till they have them in stock sitting on the shelf to buy them for reasons exactly like this one.

How much was shipping by the way? they arent that heavy but I imagine the boxes are big. I realize it will vary from state to state I'm just wondering a ballpark figure.
 

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Have all first 25 sets been spoken for and whats the ETA on the 2nd set?
 

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Ordered my set today, should ship out the middle of next week. The 2nd sets are already at the ceramic coaters.
 

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Already been done! Pull the trigger now before the first batch is sold out. :p
It already was when I called but the 2nd batch is already at the ceramic coaters :)
 

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hello guy

first sorry for my english again i will try my best:)


my headers are 100 stock and i need to return to the installer...

already 1 major leak on the driver side (we check the bolt all are tight)

and 2 small on passenger side...

367 hp before and 385 hp after on dynojet!!! after resetting the ecu... but i will return after my double check on the leak

ps... i just hope my headers are not already crack...........somewhere
Just curious if you have that dip in the curve as the prototypes did?

I'm reserving judgement till mine come in.
 

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What dip are you referring to?

The dynapak graphs posted are a bit confusing to look at, but by looking at my dynojet graph below I really don't see any significant dips in power. What are you referring to exactly?
The original chart and the one on sikky's site looked like this, I remember that it was a slight dip and seems more exaggerated due to the scaling of the chart but I couldn't remember if that dip was replicated in yours, thanks for posting the chart. Here is the ones I was talking about with the dip:

 

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Sikky called to tell me that my headers will arrive tomorrow. They also told me that there was a error in the directions where a wire was supposed to go in pin 5 instead of 4 could a miss wired 02 sensor be causing pirates low numbers?
 

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Well wouldn't the O2 sims be wired to the primaries because if they werent we would need some for just the exhaust too but thats not the case because replacing just an exhaust doesn't throw codes. I suggest Pirate calls sikky and finds out, I suspect that his issue was because of the typo in directions.
 

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we spot the error before sikky call me ...

as soon as you open the ecu box you can truly see the pin # 5 is ok and not #4

you cannot miss a white wire with black lign:D

i will also go on the dynopack this time... hope the hp will reappear:eek:

eric
Oh ok I haven't gotten mine yet. Still leaves me stumped about your power.
 

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I'm installing mine at a shop on monday, I plan on staying to help out. I'll let everyone know how it goes :) Not looking forward to the 108 degree weather though :(
 

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I looked at the factory headers and as far as the raised welds being uneven on the sikky headers, the same applies to the two front most ports on the factory headers, the lip has a different thicknesses as it goes around. Also the gasket is larger than the factory exhaust ports so the fact that the sikky headers are smaller than the gasket is irrelevent. It appears that the same holds true for the factory exhaust ports, centering the gasket to make all portions even on the exhaust manifold is undoable as far as I've been able to try.

Anyway back to the install. :)
 

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Keep us updated. :D I got my PTS JoeZ exhaust back on yesterday and man I'm so happy again. I love how the car sounds and pulls!
I needed to buy new 02 sensors I got one but the 2nd had to be overnighted from cali so I'm waiting on that one. So far I have the drivers side on, the 2nd sensor should arrive at 8 am tomorrow so I'll get cracking on the 2nd part. I'm just hoping they sent me the right sensors, they plug in fine but the tip looks different than the OEM one even though both are denso.
 

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Ok so they were the right sensors even though they looked different. The car is AMAZING now, the sound is out of this world, EVERYBODY was staring at the Lexus like it was some kind of Ferrari or something. I drove around for 60 miles after the install just listening to the awesome tone.

For the record I installed them as is with no modifications, I had no leaks whatsoever everything sealed right the first time and no check engine lights or any other problems except for the fact that my MPG dropped a lot but I'm sure thats more due to my now heavier foot :p

The install was pretty straight forward and we did it without much fuss. Some of the bolts are a little hard to get to (dropping a bolt into the hole between where the 4 pipes merge sucks, stuff a paper in there or something to prevent that or have a long magnetic tipped tool ready to fish them out just in case.

 

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Congrats and welcome to the SIKKY club! You car sounds bad @$$!!! Did you dyno the car before and after the install? I totally agree with about the drop in MPG. I can't keep my foot off the gas now! Good times!!!
No I didn't get a chance to do a before due to work and schedule stuff since the dyno I like to use is on the other side of town. I will be doing an after though but first I'm hitting up the drag strip on Wednesday to see if I do any better than last time. Its hot as heck out but I'm just curious to see how I'll do.
 
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