Chevy Malibu* (3.1L), Grand Am (3.4L), Olds Alero (3.4L) 1999-2004 Dyno proven to add 15-19 horsepower to the V6 models - more than ANY other bolt-on available! Manufactured from thick 14 gauge steel, precision TIG welds, and thick 1/2" laser cut flanges provide unsurpassed durability for your Chevrolet. TOG backs these strong headers with a stong warranty, too. They come with a 100% lifetime replacement warranty against any defect, including tube cracks and welds. One the best warranties in the business. The downpipe must be welded during installation. MSRP - $795 Our Price - Only $759 Year 199920002001200220032004 * Will not fit 1999 or 2004 Malibu, only 2000-2003 Malibu models with 3.1L engine. Add Titanium Thermal Barrier Ceramic Coating to your Headers Withstands heat up to 1800 degrees! Price - $149 Looking for more Performance Parts for your Malibu? Cold Air Intakes, Performance Ignition Wires, Exhaust Systems & More! All product images are property of The Other Guys Performance Products, Inc. and may be subject to copyright.