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Need a new cat for my 92 740, B230F non turbo. Need advice as to which ones fit, as there are several lengths and diameters quoted in the aftermarket.
Mine is 24" from flange to entry point of the rear pipe, so quoted models with 26.25 or 25.7 are a fit. 28 and 32" models definitely not! Dia is 2-1/8 OD in and out, and fits inside the 2-1/4 rear pipe. 3 bolt flange with O2 sensor on inlet.
Magnaflow 36945 looks OK, but there are cheaper ones listed. I like Walker. Anyone used the Walker 15633? They don't give dimensions!
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