Decent overall
"I got this for my 991. 2 GTS. It sounds alright overall, nothing crazy, nothing over-the-top. Doesn't drone too bad at 80 MPH, considering this setup has no cats. One minor hiccup was that Valvetronic made the side elbow pipes a little too long. My mechanic needed to shave off about a centimeter on both sides to get it to fit. Valvetronic reimbursed me for this misstep, and they were easy to contact and responded quickly. One other minor hiccup was that the exhaust tips were ever slightly too big; one of them touch the plastic rear diffuser when installed. Valvetronic agreed to send me a replacement (that was smaller diameter) free of charge. Overall, great customer service. The sound itself I'd describe as louder than OEM, but not the absolute best. Personally I like the Kline Inconel exhaust a lot more, but for $6000, this setup is solid. From the inside you get a nice induction noise that is more pronounced on acceleration, and the tone of the exhaust is brought out. From the outside, the turbo spool is louder (which I don't prefer, but that's what you get when you go catless on this platform). You're going to want to tune out your pops and cracks in Sport Mode though. They get obnoxiously loud, like a BMW crackle tune that the kids get. Quality of the exhaust itself was alright, I thought the welds could be better, specifically on the titanium muffler. I've ordered their E46 exhaust system in the past and recall the build quality of that exhaust to be tighter, and overall better quality."
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