Acura RSX 2002-2006 (Base or Type-S) Axle-back ExhaustThis is the axle-back section only from our full catback system for the 2002-2006 Acura RSX. If you already have Yonaka product code YMCB-RSX-B, or YMCB-RSX-S installed on your vehicle, this is a direct replacement for the muffler section only. It will fit both the RSX "Base" or the "Type-S" model.Direct bolt on fit for YMCB-RSX-B or YMCB-RSX-S only. ***Not an OEM replacement***However, if you are building a custom exhaust and need an axle-back section, this is for you!This Yonaka Motorsports exhaust system is made of fully polished stainless steel, with 2.5" OD mandrel bended piping, and a 3.5" tip.The 2-bolt connection is a donut flange and spring bolt connection. The donut and spring bolt kit is not included. You can purchase one here: https://www.yonaka.com/Spring_Bolt_Kit_p/ymsbk.ht...Disclaimer: Recommended for off-road use only. Check with your local ministry of transportation in regards to exhaust regulations.