WC Fab 3.5' Down Pipe, 2017 L5p Down Pipe
The stock-down pipe on your 17-21 6.6L L5P Duramax is not doing you any favors when it comes to performance and sound. Have You Wondered Why These Vents EXIST on Duramax trucks? This our new L5P Downpipe. It is 3 1/2′′ mild steel tubing and will come ceramic coated with heat wrap. You can expect lower egt's and greater all around ...