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Hi Guys, I am looking to get OEM NGKs and cant seem to figure out the correct heat rating and part number. Had the one step colder Denzos and didnt like them...can anyone help me out please? Thanks.

Just curious what everyone is running on their BCs and what characteristics they like about those settings. I currently run 12 (to the right from zero) up front and back for comfort but have serious issues when people get in the back.

I took out my step colder denzos this week and put back in the stocks however they are kinda old and I want to replace them. Do you guys get replacements at the dealer or at an auto store like Discount Auto Parts? Just not sure if they know the difference between the regular 3 and the speed 3. I...

I am selling 4 Denzo ITV22 step colder plugs for the mazdaspeed 3/6. They were used for ~1500 miles. I never got the downpipe, front mount and all the other things I had planned on so dont need the colder range. These sell for $12 a piece and are yours for $25USD shipped. Prefered method of...

Pls close

Im going back to stock under the hood and have a few items for sale: 1. Forge BPV (1st gen) polished with 3 springs & 2 shims in great condition. Asking $100 USD shipped within the 48 states via paypal gift. 2. Set of Denzo ITV22 step colder plugs used for less than 3000 miles. Asking $30 USD...

I've seen this a few times and now cant find it....how does it go again? I recently put in denzo ITV22 plugs and sometimes get sputtering in 5th and 6th...the whole point of me changing these was to smooth things out. I did not check the gap because everyone went on and on about how they come...

ive seen this a few times and now cant find it....how does it go again? I recently put in denzo ITV22 plugs and sometimes get sputtering in 5th and 6th...the whole point of me changing these was to smooth things out. I did not check the gap because everyone went on and on about how they come...

Switched back to the stock BPV tonight just to try it out and while having the forge off I started to wonder if Ive had it right all these years. Ive got blue+2 and during hard shifts I do not hear a flutter. However at partial throttle when I let off the gas I get a flutter everytime in the...

Are we supposed to clean this thing? I know they are non oiled...so what are we supposed to do? Just change it out? What are the signs?

having an overboosting problem in 4th-6th gear. Ive pulled down the intake system twice and re tightened. Problem still persists. Problem started after installing new plugs 5 months ago when I was home. Been out of town for 4 months, came home and its still happening. its pretty annoying. Any...

Popped off the intercooler and installed some new ITV22 plugs this weekend. After the install took it for a spin and everything was nice just as it was before the install of the plugs. Yesterday started noticing hesitation and knock in the upper gears (4,5,6) when trying to get on it throughout...

Anyone done this or have pics? Im wondering if they will bubble out much more than my 225s. Just lookin to get some more grip when i get my new tires.

Im stuck between 3000k and 5k-6k depending on what matches the stock HIDs better....anyone have an idea? Im looking at this guys kit on ebay and he has several color temps. Yellow is what i had on my P5 and it looked great...just not sure I wanna do it again and am curious what u guys...

Does it work with OSX Leopard? How easy is the learning curve? Would you do it again if you had the chance to get your money back? PG has it for $245...seems like a steal, anyone seen it anywhere cheaper? thanks!

Anyone know of any? Good ones..

Plannin to do this myself when i get back stateside end of the month and was curious what is involved in the 30k maintenance service from the dealer. Can anyone help me out with this...just listing it is fine. Thanks!

Now that COBB has ditched the ms3 platform im wondering what CBE to roll with...anyone heard anything good about the RB CBE? Or have any other suggestions?

Thinking of getting the 5mm versions to shift my rx8 offset from 52mm to 47mm. Anyone think ill have problems? I just want to push the tires out a tad. Was also just thinking of trying the 15mm spacers in the rear putting me at 37mm. I know STRICK did 18x8 with a 35 offset so this should work...

Im thinkin of getting these from Loosh, but ive always thought theyll only look as good as they could on a silver speed...what do you all think?