LOUD!!! Porsche 991.2 911 GT3 With Dundon Race Headers

Brand new 991.2 GT3 with a set of Dundon Motorsports race headers
www.gmpperform...

[@piercestolle7614]

Is the rest of the exhaust OEM?

[@brianhimmelman420]

Any downsides? Is this catted ? How much? Tks

[@gmpperformance]

We recommend catted for the street to minimize fuel smell and issues with emissions inspections. Here is a link to the street headers. www.gmpperformance.com/product/486499/porsche-991-gt3-rs-street-headers