LB7 Duramax 3" Down pipe for S300 Turbo with HX40 style exhaust outlet flange. Built specifically for use with ProFab 6.5in Fabricated pedestal. Other turbo pedestals may be compatible but have not been verified for fitment. Height must be between 5-6" tall for proper fitment. Lower flange of down pipe mates to factory exhaust system flange for easy install with the OEM V-band clamp.