Great choice. I am running the same AE rear section, but with Turner test pipes. I also went with the Fabspeed midsection w/resonators. If you want it to breathe even more freely, try those. It will be a tad more loud, but no less smooth or throaty.
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2013 F10 M5/TTFS CUSTOM TUNE/PURE S1 TURBOS/METH/AMS CL DPS/RPI CATBACK/KW SLEEVE OVERS/RPK FRONT LIP/M PERF REAR SPOILER/20" LOMA SUPERTEC SUPERLIGHTS
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