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This may seem like a stupid question, but on a msp is it not advisable to have any ud pulleys, or would it be ok to have a set from SR motorsports which only consists of the alt, and water? I was told a udp for the crank was terrible, and not advisable for the msp at all, but just curious if...

I've been chatting with a few diff people in person as well as online, and the general question in hand is this- My goal with my msp is roughly 400+ whp, some people say that I need a new maf and some say a new map, which one do I need? I know you guys know, cause I've seen very impressive #'s...

I can't seem to find the answer that i need anywhere, so i'll turn to none other than the guru's. I am in desperate need of finding aftermarket valvesprings for the mazdaspeed, does anyone know of a place that makes springs for this car?

I now know from reading through some of the other forums that the factory t25 can be "reworked", to be able to handle at least 300 h.p., by using a different compressor wheel, and some machine work. Is it possible to do that to a gt28rs. My ultimate goal with my car is 400+ h.p., which will be...

I was wondering if anyone knows of a company that sells ported and polished heads for the mazdaspeed. Also a good place that sells cams? I have a local shop that does great work, but I can't afford to not have my car for 2+ weeks. And I also haven't found any cams yet. Help, please!!!

Looking at all the mods that are available for the mazdaspeed(more each day), it seems as though it would put the factory turbo to its test. I've read that the t-25 is good up to about 250 h.p., is that how much the turbo can actually put out, or is that the greatest amount that the combination...

I was curious as to how many people have some of the smaller power adders, and what they might be, and their opinions on them. Such as throttlebody, cam gears, cams, u.d. pulleys, short throw, etc. I know that the bigger power adders have been addressed, but I haven't seen too many discussions...

I've read through many forums, visited many vendor sites, and seen many msp's on cardomain. I see a wide array of fmic's used on almost stock to raceworthy cars. I have sent emails to various companies on the sizing and power potential handling levels of their fmic kits. Most state that theirs...

Inbetween the 2 different exhausts, which one would actually be the better buy? GHL offers a true turbo back approach for roughly$1200, and Perrin offers a s-pipe back for $900. Is the S-pipe really that much of a horsepower adder. Please a little input anyone. Also if anyone can direct meto the...

First, I'm a newb to this forum, so go easy on me please. I have been a guest on this forum for quite a while, and have been paying special attention to the "faults" that the mazdaspeed has. I have just recently sold my honda, and now have enough money to start the build on my mazdaspeed. It...