I don't think any OEM/M-perf. exhaust matches well with a diffuser since it hides the tips. Major flaw in the design of the M-perf exhaust IMO.
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2011.75 Jet Black E92 ///M3: ZCP|6MT|FR|EVOLVE 600 SUPERCHARGER|DINAN|BBS|VORSTEINER|BMW PERFORMANCE| IND EDITION|TMS|LUX 5K|
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