X-Force 2.5" stainless steel headers for VT-VZ Holden Commodore & HSV 5.7ltr
Improved Performance through race inspired merge collectors optimizes engine performance and gas Flows. Try Y Design Headers - 1 " 5/8 Primary and 2.5" Secondary in Stainless Steel
Each kit contains a pair of Headers.
*NOT suitable for 4WD models
*X Force headers and catalytic convertors do not fit factory exhaust systems. X-Force headers are designed to be used with X-Force catalytic convertors or X-Force decat pipes and X-Force Cat Back system. OEM catalytic convertors are not compatible with X-Force headers.
*To avoid any potential issues with DTC codes and to ensure you are getting the best performance out of your product we recommend this is fitted in conjunction with a Custom Reflash
*All upgrades in a 20% increase in power do require certification
*All vehicles newer than 2012 by law require catalytic convertors be retained