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Need feedback guys. All stock 03 msp, but running no cats at all. No CEL (sparkplug antifouler works). Upon Unichip install, did a baseline run--------->130 wheel hp only!!!!!!! guy was stunned when he compared to another 03.5 stock msp with 150 wheel hp stock. Unichip installed only gave me...

Just need some input on going catless. Had the car for a year, and previous owner had removed second cat and resonator. Installed a resonator since then. For the heck of it, been wanting to free things up and remove that remaining cat. For those who have done it or know of it: Should i expect a...

hey, seeking advice. Stock 03 orange MSP. Never done any mods besides audio, due to so much negative feedback on what it takes to mod the msp without nighmares. Only mod i'm considering is the UNICHIP. But some people still report issues, like fuel cutoff and such. I want to be able to run...

hey, seeking advice. Stock 03 orange MSP. Never done any mods besides audio, due to so much negative feedback on what it takes to mod the msp without nighmares. Only mod i'm considering is the UNICHIP. But some people still report issues, like fuel cutoff and such. I want to be able to run...

hey guys, need some advice. I've had a 10" sub in a small enclosure along with an MTX 250 amp that used to run it, plus two set of 6" MB Quart speakers and an orion amp (four channel, not sure what the watt rms is). I ran the orion for four speakers and the mtx for the sub in my old car. It...

I have been thinking of fine tuning my 03 msp. The car is stock with no mods. Been thinking of taking my first step and dyno tuning it. I've been told that its best to do that as a first step. From then, the tuner can advise me on what else can help, as in fuel control system...etc I needed...

hey everyone, I noticed when i floored my msp these past few days, i notice a rattling/buzzing sound coming form the engine bay. It doesn't sound mechanical (from engine itself), it sounds as if something is loose.....but i definitely don't like the way it sounds, especially since i've always...

Was at the dealer for several reasons the past two months. At one visit, a minor reflash was done and i wasn't sure i noticed anything, though the car ran great for about two days (weather was super crisp and this car loves that). With remaining problems, i found a mazda bulletin posted here on...

hey guys, how do i know if camber bolts are required for my '03 MSP with the Eibach Sportline springs. I want to do this the right way and prevent future issues with tire ware and such. Also, are the springs for the MSP, MSP specific, or do we order the '03 protege sedan sportlines? Also, for...

Hey guys. Here are some questions i'd appreciate some help with: 1. Does the MSP come with 2.25" stock pipes? 2. Would upgrading to a larger diameter and running STOCK BOOST have a negative effect on the turbo (lag, spool time.....etc). In other words, what is the best diameter pipes for...

I've been hearing a hissing/air compressor-like sound when i floor my car. i'm not sure if it was always there and i started hearing it after toning down my exhaust sound with a resonator (now back without resonator and still hear it) or it has anything to do with boost leak. What is evident...

well, i finally got a resonator on my custom piping to tone down the massive droning inside the car at downshifts and throttle release, and i drove off not realizing a NEW SOUND had emerged due to the sound of heavy rain. when i floor my car now, i get this loud hissing sound. it is not a...