Total cost of mod: $420 out the door
I wanted something with dual quads, while still maintaining an OEM look and sound. For the money, the S4 conversion is hard to pass. I picked up a complete S4 exhaust for $100, OEM hanger/heat shield/Y pipe/parts for $150, and labor cost of $170 out the door. Overall, I'm very pleased at the results, both fit and sound.
We removed the second resonator and welded in a magnaflow Y pipe in its place. From there back its complete OEM S4 mufflers and pipes.
At idle there is a noticeable difference, but at WOT it sounds pretty close to stock. The tone is lower and grumbles at idle, yet very mellow. This was exactly what I was going for. I wanted something OEM+ and quiet, nothing that would attract attention. My days of loud exhausts are over.



After looking at things closer, the tips seem to be off a little. No worries, I'll have them adjusted and it will sit perfect. This pic makes it look much worse than it is. Its barely noticeable.

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