Key features

• •✅【High Standard】: BoardRoad catalytic converter is designed to meet or even exceed OE quality and performance standards.
• •✅【Material】：The exterior of the product is stainless steel construction, the ceramic carrier completely fills the inside of the interior of metal shell. Product life is longer than others.
• •✅【High Flow Design】：High flow design retains maximum engine output and maximizes catalytic efficiency.To provide more oxygen to your engine for an increase in power and performance.
• •✅【Features】：The ceramic hollow interior is coated with CeO13Rare earth stablizers metals, the ratio is up to standard, after full testing under extreme conditions,the heat resistance has been greatly improved and the service life has been fully extended.
• •✅【Perfect Fit】：We use the original car mold to produce the catalytic converter. Built to match the original car, Not a generic model. Highly fit , perfect in workmanship.
• •✅【Fitment】：Fit for 2009 2010 2011 2012 Audi A4 Quattro 2.0L. Not legal for sale, installation or use on vehicles registered in the state of California, New York and Maine.