aFe Twisted Steel Down-Pipe

The down-pipes utilizes heavy duty 3" flex tubes with internal interlock liners. The down-pipe mount directly to factory mounting locations and includes hardware for a hassle-free installation. A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power. Machined, factory style flanges are used for a secure leak-free seal. 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. This down-pipe are constructed of 4" into 3-1/2" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking. Includes an additional bung for either a wide-band O2 gauge or auxiliary instrumentation.

• Dyno-Proven Gains up to +30 HP & +31 Lbs. x Ft. TQ
• Unique 4" into 3-1/2" Stepped Design Increases Exhaust Velocity
• Constructed from Mandrel Bent, Brushed Finish, 304 Stainless Steel Tubing
• Includes Heavy-Duty 3" Flex Tubes for Strength and Durability
• Machined Factory-Style Flanges for a Secure, Leak-Free Seal
• 100% TIG Welded for Strength and Durability
• Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation

All aFe exhaust systems are engineered and manufactured in our Corona, California facility.
Product ID: 48-36317-HN