Key Features • Pacemaker performance headers for Holden Commodore VT through VF models• Manufactured from mild steel• Designed to suit a wide range of LS-based Commodore platforms• Available in Tri-Y and 4 into 1 header designs• Multiple primary tube sizes available to suit performance requirements• Vehicle and engine-specific fitment• 2-year Pacemaker manufacturer warranty• Professional installation recommended VT to VZ Options are :- 1 3/4" 4-1's with 3" 4-Bolt Outlet, 1 7/8" 4-1's with 3" 4-Bolt Outlet & 1 5/8" Tri-Y's with 2.5" 2-Bolt Outlet VE to VF Options are :- 1 3/4" 4-1's with 3" 4-Bolt Outlet, 1 7/8" 4-1's with 3" 4-Bolt Outlet & 1 3/4" Tri-Y's with 3" 4-Bolt Outlet VF LSA Engine Only Options are :- 1 7/8" 4-1's with 3.5" 4-Bolt Outlet & 2" 4-1's with 3.5" 4-Bolt Outlet Browse Holden/HSV VT to VZ Complete Exhaust Systems HERE Browse Holden VE and VF Complete Exhaust Systems HERE Browse HSV VE and VF Complete Exhaust Systems HERE