Which Diff. Is Better?
 

THE DIFF. THAT THE MAZDA SPEED PROTEGE COMES WITH SEEMS DECENT BUT WHICH IS TRULY WORTH THE MONEY? CORKSORT SELL'S A DIFF FOR THE 99+ PROTEGE'S THAT INCLUDES MP5'S WHICH IS A QUAIFE ATB Differential -LSD FOR $ 1411
IM NOT SURE WHAT THE MAZDA SPEEDS DIFF. COST BUT THE TOCHIGI FUJI SANGYO CONICAL RING TORQUE SENSING LIMITED SLIP DIFF SEEMS LIKE IT MADE A BIG DIFFRENCE IN THE MSP'S HANDLING AND ACCELERATION. WHICH IS TRULY A BETTR DEAL FOR THE $$$$$

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I have heard a lot of good things about Quaife LSD's in the past, never driven a car equipped with one however. I would recommend against going with the Quaife strictly becuase of the price. Some rumors have been floating around about how you will soon be able to purchase the MSP's LSD at your dealership for a supposed much cheaper price. Consider the Quaife's $1411 before someone removes the gearbox and breaks it open, unless you plan on doing it yourself it will come out over $2000. The MSP's was said to have a decent power transfer rate and helped immensely with acceleration.

I read somewhere in the neighborhood of around $350-400 for the MSP diff.