Twisted Steel Down Pipe 3 IN 304 Stainless Steel Audi A4 (B9) 17-20 L4-2.0L (t)

AFE Power 048-48-36407-YN Features:

Performance Gains: This system produced gains of up to +13 HP and +21 lbs. x Ft. TQ., as measured on our in-house dyno. *(Dyno test results are from P/N 48-36407-YC).3" 304 Stainless Steel Construction: This system is constructed of 3" mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability.Heavy Duty Flanges: Laser cut stainless steel flanges are used used for a secure leak-free seal.Installation: Utilizing factory style flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation.TIG-Welded: 100% TIG-welded for race proven strength and durability.aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.

• +21 lbs. x ft. TQ & +13 HP
• Constructed from 3 IN mandrel-Bent Brushed Finished 304 Stainless Steel Tubing
• Heavy Duty Laser Cut Stainless Steel Flanges are used for a Durable Leak-Free Seal
• Includes Integrated 3rd Bung for Wide-Band O2 Gauge or Auxiliary Instrumentation
• 100% TIG-Welded for Strength and Durability