Medallion Street Plus exhausts offer a high quality system at a competitive price point. Fitment Information Honda Civic SI Hatchback (2002, 2003, 2004, 2005) Specs & Features Pipe Diameter: 60 mm Tip Diameter: 100 mm Full SUS304 Stainless Steel Construction  Under 95db under load  Advanced muffler packing gives a deep tone while still offering superior flow Fully Hand Tig Welded to increase strength and reliability under any conditions Single Wall Rolled Tips for a clean cut design Product Description The Revel Medallion Street Plus is meticulously handcrafted to the highest standards and testing under 95db sound levels (under load). It is a competitively priced solution for an OEM replacement or a step up into high quality exhaust systems. The single wall rolled tips show off a more elegant style while improving the deep tone of the exhaust. The rolled muffler canister is clean and simple for a pleasant presentation. The Street Plus exhaust system is fully hand TIG welded for clean, high quality welds that will hold up to the various road elements. It utilizes full SUS201 stainless steel for durability and high quality finish. The exhaust system features mandrel bent piping to maximize the exhaust flow. Also, laser cut flanges are used to securely connect the individual pieces together and prevent exhaust leaks. Redline360 sells only genuine and authentic Revel/Tanabe products.