The mounting flange of the trailer hitch part # 75956 does fit between the frame and the exhaust hanger of your 2017 Lexus NX Turbo, but it should only drop the exhaust at most the thickness of the trailer hitch flange which is no where near the 1-1/2 inch that was mentioned in the review.
Worst case scenario you can take the rubber isolators that hold the exhaust with you to a auto parts store to find a shorter one to compensate for this. view full answer...
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