Brand KAX Notes Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME) Condition New Substrate Material Ceramic Body Material Stainless Steel Fitment 2004-2006 Ford F-150 5.4L, 2006 Lincoln Mark LT 5.4L (Fits 4WD Only - Driver Side) Labels Certifications EPA Direct-fit Bolt-on replacement solution ensure this direct-fit manifold catalytic converter perfectly fits your vehicle, enabling do-it-yourself installation. OE Design Built to meet OEM specifications, matching the performance and quality of your vehicle’s original catalytic converter. Durable Stainless Steel With heavy-duty stainless steel construction feature maximum durability. Firmly welded connections can withstand high temper and pressures for longer service life. About KAX ® KAX, one of the star brands of SuncentAuto, was built in 2018 by experienced automotive experts. The dedicated team ensures that users receive advanced technology products and their overall driving experience is improved with their mindful innovations. Although the brand has been introduced a couple of years back, the team consists of experts who are into the automotive industry for more than two decades. Warranty: We accept authorized returns within 90 calendar days from the date the product was received by the buyer or original recipient unless otherwise specified at the time of purchase.