Thread: aFe MACH Force XP Race Pipe for BMW E9x M3. Has anyone installed this??
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      08-05-2013, 09:17 PM   #4
pbonsalb
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Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

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Looks like the RPI but with mini cats in the stock primary cat location.
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