2004-21 Subaru WRX STi | 02-14 WRX Impreza T-304 Up-Pipe
2004-21 Subaru WRX STi | 02-14 WRX Impreza T-304 Up-Pipe COMPATIBILITY: 2015-2021 Subaru WRX STiex MATERIAL: T-304 Stainless Steel SURFACE FINISH: Anodized Silver | Blue Burnt Tips TYPE: Muffler Dual Delete Axle Back EXIT TYPE: Quad Tips TIP WALL TYPE: Double Wall Tip TIP SHAPE: Round Angle Cut EXHAUST TIP DIAMETER: 4 Inches EXHAUST PIPE DIAMETER: 2.5 Inches PERFORMACNE: Flow Bench Results vs. OEM at 28" WC OEM Catless - 244.6 CFM OEM Catted - 164.7 CFM Extreme Online Store - 292.6 CFM PACKAGE INCLUDED: A Pair of Subaru WRX STi Muffler Delete Axle-Back Quad Burnt Tips Exhaust, 2 Pair of Hangers, 1 Pair of Gasket, 1 Bag of Hardware The Extreme Online Store Up-Pipe has been made with beefy local raw materials. The flex joint is 321 Stainless Steel w/ an Interlocking Liner and tubing is a heavy-duty 14 Gauge 304 Stainless Steel that has been CNC Mandrel Bent and finished up with a nice brushed finish. Their flanges are made out of 1/2" 304 Stainless Steel and are fully machined on a