Exhaust Header for 1998-2002 Honda Accord J30 V6 SPELAB Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. SPELAB offers many products to help you create your own custom engine headers. It's really easy and convenient to use: direct bolt-on, no modification needed. Fitment: 1998-2002 Honda Accord LX/ EX V6 CG1/ CG2(Fits Models with 3.0L J30A1 V6 Engines ONLY)2001-2003 Acura CL Base 3.2L V6 YA4(Fits Base Models with 3.2L J32A V6 DOHC Engines ONLY)1999-2003 Acura TL Base 3.2L V6 UA4/ UA5(Fits Base Models with 3.2L J32A V6 DOHC Engines ONLY) Package Included:1 X Set of Header Exhaust SystemGasket(s) and Bolt(s)As shown in the Picture above(ALL if any is necessary for Installation) Specifications: Brand Name: SPELABCertificate: ISO9001:2000Application: Automobile Exhaust HeaderMaterial: Stainless SteelSurface: Mirror PolishInlet/ Outlet: 1.25"/ 2.50" Exhaust Header VS Manifold, which is the better choice? The structural differences between exhaust headers and manifolds are the material and size. From the material, exhaust headers are made of lighter, thinner steel, while exhaust manifolds are made of thick iron. Exhaust headers are also longer than exhaust manifolds. When in use, exhaust manifolds create back pressure, which lowers performance. Because each cylinder of the engine is given its own tube, however, headers eliminate this problem; thus, allowing the gases to exit without the creation of back pressure. Therefore, exhaust headers are a BETTER choice than an exhaust manifold.