Best at what? Fitment, quality, power?
There are soo many DP options for this platform in reality.
https://www.dbv2.com/products/dbv2-true-3-5-fwd-downpipe-golf-gti?_pos=2&_sid=c566d1f85&_ss=r
https://www.trackslag.com/index.php...ion-motorsport_fia_approved_200_cell_catalyst
