Hey guys! In the market for a slightly used red 400 awd, and I wanted to pick your brains about the aftermarket capabilities. How much power can the stock block reliably run? How much power can the transmission reliably run? How much investment would I want to get to 500 or 600 whp without...

Hello fellow Q50 owners! Long-time lurker and first-time poster here with a quick question about my new ride: In your experience, which aftermarket exhaust kit(s) provide the most subtle, tasteful sound improvement for the Infiniti Q50 (3.0T Premium)? Ideally, I’d like the car to sound as...

Was looking to install a aftermarket spoiler on my redsport but it already has the oem spoiler on it ....I want to remove it but wanted to know if anyone knows whether it’s just held down by 3m tape or is It bolted down to the trunk as well ?