Scorpion Ultimate Ka may work, but is unreliable and hard to find. You can not run a radar detector with a radar jammer because the jammer would set of the detector all the time. Your best bet would be to get a good radar detector such as the Bel STi-R or the Escort 9500ix, V1 is good but does not offer stealth against spectre units (RDD's).

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2013 BMW X6M-current
2013 Audi S4-current
2007 BMW X5 4.8i (E70)-sold