$325OBO plus shipping. West coast will be more. This is listed on eBay.

ISR Lower Downpipe High Flow Cat HFC LDP - Infiniti Q50 Q60 3.0T VR30DDTT | eBay
<p>ISR Lower Downpipe High Flow Cat HFC LDP - Infiniti Q50 Q60 3.0T VR30DDTT. </p><p>Never used and sold the car before installing this. </p>
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