According to the amazon reviews it has worked, i will confirm that at the end of the month :)
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I've heard of at least one other person getting it to work but it was a struggle...
I can confirm they work. I installed a pair of 90deg angled extenders on my ZHP with catless headers (in the rear-most bungs). It is a bit of a struggle to get them to fit, lots of initial loose fitment until you get the angles just right since the space and clearance is tight, and after a few test fits, you'll be able to figure out what angles the extenders need to point. Just remember that these headers are nothing without a tune. I went with Eurocharged for my tune, and have since added a big bore throttle body, and the response is much, much better compared to stock. I have a set of underdrive pulleys waiting to top it off, and that should be it for NA bolt ons.
When it comes to smog time (CA), I revert my car to the OEM tune and cycle the car on the freeway up to steady 55mph in order to get all the monitors ready for smog. Even with the tune's ability to code out the CEL, the monitors will be in the 'not ready' state, hence the need to go back to OEM to play nice with the smog computers. Going back and forth from OEM tune to Eurocharged, the car responds much differently, such a dog going back to the OEM tune.
I went with this company since they are local to me:
http://westcoastriots.com/shop/autom...n-13547502445/
No dyno results, but given that all the mods put together complement each other, it makes the car just a bit more fun to drive. It's all subjective anyways, I have an S54 in my other car so my M54 ZHP won't feel as frantic as the S54 but it's fine for daily driving.
I don't have pulleys installed yet. Will probably go with Turner Motorsport or Rogue, whatever big name is available and will be on sale during the holiday/clearance season, highly doubt there is a noticeable difference between the big names.
Go with Rogue pulleys. All other vendors sell their own pulleys, which are a replica of the Rogue pulleys. Rogue are the original and they usually have sales on them. Best mod I've done to my car in terms of power and responsiveness.
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I have both Turner and UUC, and I don't have an issue with either (can't say I feel either), but I prefer the UUC, because they have spokes, which allows you to more easily prevent them from turning when tightening/installing.
I did notice a difference with the UUC. not much but it was definitely there. That was one of the first mods I did.
UUC doesn't under drive the alternator...
Rogue doesn't do the alternator either.
Turner underdrives the alternator and it is a son of a bitch to change that pulley
That's why i am planning on going with TMS. It has the altrrnator pulley.
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Underdriving the alternator is going to affect it's output more in the low RPM range, think traffic jams, city driving, etc.
I went with UUC at the time because I didn't want to underdrive the alternator but I know there are members that don't have an issue with it.
Rogue even says on their website that the E46 M3 RACE pulleys which includes the alternator pulley, are not for street use and no longer uses the A/C.
http://www.rogueengineering.com/Rogu...eys_p_116.html
That's because that set replaces the crank pulley too. You don't want to do that on a street car
There's no issues with electronics with the TMS alternator pulley. I asked support before I ordered if I could run both butt toasters, the rear defroster, and the stereo on full blast and they kind of laughed like yeah dude have a party. No issues here.
Yeah I've had the pullies installed for at least a year now
From what I have seen on the internet, people generally have no issues with the alternator pulley.
I didnt w mine
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What about difference in terms of power ? Has anyone dynoed ?
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Was that a rhetorical question? ;)
Nope i am just curious i havent done it yet
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*****UPDATE*****
The Throttle Body boots bend when i fully press the gas pedal especially at lower rpms and higher gears.
Pros: The head porting works :D
Cons: I need to find a solution
OP, would you recommend the headers or does it just feel like stock and is a waste of resources?
im just waiting to hear back from OP, i dun want a CEL light.
I installed the spacers for the O2 Sensors.I had to cut into half it would screw because i had modified the rear hole.
The car runs great, i also did the adaptation erase of everything. The only problem i have are the throttle body boots, they bend when i accelerate. Most say it is due to the boot quality. I will check that tomorrow i'll install another pair. As for the headers torque increase is humangous :D as for the acceleration and HP wise can't test is fully due to the boot mentioned above. Another thing CEL light hasn't showed up since then :) but when running obd2 scanner it reads rear banks lean and stuck. Maybe due to the spacers leading to incorrect values but no CEL and engine runs smooth as rear O2 sensors don't contribute to AFR as i thought. The only purpose is to check catalytic efficiency.
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how does it sound OP?
vids please?
any sound clips from the outside?