The ATX (CDE4) is relatively weak. Then again so is the MTX (MTX75). It can't take a whole lot more HP then the standard v6 can throw at it. Some of the ATX's will break if you look at them the wrong way to. Just do all the matinence and you should be alright though.

Green 96 mystique gs 4cyl mtx 16.9 in the 1/4 mile @102500 miles 95SE in Midnight Red MTX MSDS headers and y-pipe SVT exhaust SVT UIM Optimized se TB. Full pre 98 SVT body kit 15.741 @ 87.73mph :)