Borla Universal Center/Offset Oval 3in Tubing 14in x 4in x 9.5in PRO-XS Muffler 2011-chevrolet-silverado-3500-hd-esi2083021 (DOES NOT FIT BASE MODELS

(DOES NOT FIT BASE MODELS OR FACTORY PSE EXHAUST)

Valves closed mode calms down the volume for more refined cruising with just enough presence to be appreciated

full valvetronic system 11kg

significantly improves torque

but also keep quiet in normal mode

Borla Universal Center/Offset Oval 3in Tubing 14in x 4in x 9.5in PRO-XS Muffler 2011-chevrolet-silverado-3500-hd-esi2083021 (DOES NOT FIT BASE MODELSProXS Muffler 3" Offset Inlet 3" Center Outlet, 4" x 9. 5" Oval, 14" Long Body, 19" Overall Length. Notched necks for easy clamp on installation using 1" wide band style clamps 18330 (clamps not included). Reversible design for installation flexibility. High quality T 304 austenitic stainless steel for superior corrosion resistance. 100% welded construction for strength. Free Flow design for improved performance. High temperature continuous filament