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Unfortunately this is a common problem. The part number has been superseded about 7 times which indicates a couple of changes to the design. For a while we were swapping these bad boys out left and right, but it's not as common anymore as most have the updated caps on then. Happy to hear getting...

Hope this helps :) Two Piece One Piece

A couple of thoughts for you. The car didn't detonate (aka ping, aka spark knock) when it was new so something should be repaired to eliminate the detonation. Putting in higher octane might work, but that's just an expensive band-aid that will fail to mask the problem eventually. My 1990 BMW I...

Hi bluemiata, Am I reading this correct? You took out your performance suspension and put in the stock stuff and wonder why it's bouncy? :) It seems logical to me. Do you think you got used to the firm suspension? That would be my guess. Kinda like when I bought my 72 510 6 years ago with it's...

Hi mikeys, It's been a while since I've put one on (of the countless ones I've done) it seems like I remember these are directional belts. I know it sounds weird, but just double check anything printed on the belt for a directional indicator. Chris Autotown Mazda

I would guess that you guys are both right. The rotatory engine is one of the accomplishments Mazda is known for and it's important to keep that image as clean as possible. They made a couple HUGE mistakes with the RX-8. Yeah, it sucks that the speed3's smoke, but the RX-8's didn't even start up...

Hi Everyone, Just so that you guys know, dealers WANT to change out your turbo's but the powers that be (aka the person footing the bill, Mazda Corporate) don't like paying all that money. Here at the dealer we get to charge Mazda full retail for all warranty parts. So it's usually not the...

Just to clear up a misconception, cats don't remove or hide smoke. If cats are burning off oil like posted above, they will only contribute to the smoke. Smoke that exits your vehicle via the exhaust comes from one of two sources on a turbo car. Oil entering the combustion chamber or oil...

Sadly he's pretty much right...If you are looking for a significant increase in performance displacement increase is the way to go (whether it is figurative in the manner of a turbo or literal as a larger engine). You can gain smaller increases which you may or may not feel in your seat, but...

Hi everyone, Exhaust is something that is talked about heavily in my area of the car world (that being the Datsun 510 where almost everything is custom made). 1 7/8's sounds about right for stock exhaust. Look at big power house cars like my buddies Acura TL-S (350hp if I remember correctly)...

Hi Apon, I'm assuming he was referring to what is actually called the upstream cat. It is part of a one piece manifold, cat, and silencer. Welding in a universal piece would likely be a very tough job. I wish you were closer as I could save you big bucks on the OE unit. You will likely have to...