MagnaFlow Conv Univ 3inch C/C 5inch spun body

MagnaFlow Conv Univ 3inch C/C 5inch spun body

Marsoni

M251S

$119.50

Get it in 3 business days with 1 day shipping. Friday, May 29

MagnaFlow Conv Univ 3inch C/C 5inch spun bodyKeep the check engine light off with MagnaFlow HM Grade Federal EPA Compliant Universal Catalytic Converter 99659HM. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body greatly reduces the possibility of a leak, and our compact, low mass design also

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I used this to change the oil on my BMW M8 with the S63 engine. It was a perfect fit. It extended far enough onto the filter housing to be quite secure with no risk of slipping off and stripping the housing. It was snug on the housing and did not bind up due to having a loose fit. The tool feels well-built and I suspect it will outlive me given my occasional personal use. It would still probably hold up well even for daily shop use as long as it was not abused (repeatedly dropped, slammed around, etc).

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Reviewed in the United States on September 8, 2025