Fitment Information Subaru BRZ & Toyota GR86 (2022, 2023, 2024, 2025) May not fit other brands of axle-back exhausts. Will not fit "GR Performance Dual Exhaust" with the 3-bolt flange. Emissions Compliance This mid pipe does not alter, replace, or modify any emissions equipment. This item does not ship to California. Specs & Features 2.5" stainless steel piping TIG welded Mandrel bends Resonated One year warranty 16 gauge tubing CNC machined flanges Bolt on to axle-back exhaust Increased exhaust flow for improved engine performance Product Description Directly bot-on to axle-back exhaust system and front pipe, this mid pipe features 2.5" mandrel bend stainless steel piping. Offers with a non-restrictive resonator for that perfect sports car sound. Factory mid pipe measures at around 2.18" to 2.25" with crushed tubing, resulting restrictive exhaust flow. We increase the tubing size to 2.5" and with precision mandrel bends and TIG welds - this is the best mid pipe to get on the market today!