This system is constructed of 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a high flow catalytic converter which are less restrictive than the factory converter providing maximum flow. Factory style laser cut flanges are used used for a secure leak-free seal. State-of-the-art computer-aided design technology is utilized for precise vehicle fitment. 100% MIG-Welded for race-proven strength and durability.. Twisted Steel Downpipe 2-1/2 IN 304 Stainless Steel w/ Cat Hyundai Elantra 17-19 L4-1.6L (t). aFe Power Twisted Steel SS304 Downpipe 2.5in w/Cat 17-18 Hyundai Elantra L4-1.6L (t). Includes Integrated 3rd Bung for Wide-Band O2 Gauge or Auxiliary Instrumentation. Heavy Duty Laser Cut Flanges are used for a Durable Leak-Free Seal. Works with Factory Exhaust System with No Modifications Necessary. Twisted Steel Downpipe 2-1/2 IN 304 Stainless Steel w/ Cat. Utilizes a High Flow Catalytic Converter for Maximum Flow. 100% MIG-Welded for Strength and Durability. Twisted Steel Down Pipe. Stainless Downpipe

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