Hmm, see this is odd, because I have an 11' xDrive and I don't think I have secondary cats. I have access to a garage, I'll get it on the lift here in a couple days, genuinely curious.
I could easily be wrong, but it's been bugging me lol.
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JB4 ISO Map 7 @ 20psi, MHD/BMS e85 BEF, ISO_14 Firmware, xHP Stage 3 TCU Flash, Flex Fuel Adapter, Rev3 Connect-Kit, 50% e85 mix/93 octane, K&N drop-in filter, ER Chargepipe, JB4 CAN-flap disabled, VRSF Catless DP, VRSF 7in. FMIC,
Last edited by prima_materia; 03-15-2017 at 03:26 AM..
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