48-36017-HC | AFE Power Twisted Steel 304 Stainless Steel Header w/ Cat (2001-2005 IS300 L6-3.0L)

• Up to +13 HP and +17 lbs. x Ft. TQ.
• Constructed from 1-5/8 IN - 2-1/2 IN Mandrel-Bent 304 Stainless Steel Tubing
• Utilizes Dual EPA Compliant Catalytic Converters
• Heavy Duty Laser Cut Machined Flanges are used for a Durable Leak-Free Seal
• 100% MIG-Welded for Strength and Durability
• Works with Factory Exhaust System with No Modifications Necessary

Performance Gains:
This system produced gains of up to +13 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno.

1-5/8 IN - 2-1/2 IN 304 Stainless Steel Construction:
This system is constructed of 1-5/8 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability.

Dual Catalytic Converters:
Includes dual EPA compliant catalytic converters which are less restrictive than the factory converters providing maximum flow.

Heavy Duty Flanges:
Factory style laser cut machined 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.

Computer-Aided Design:
State-of-the-art computer-aided design technology is utilized for precise vehicle fitment.

MIG-Welded:
100% MIG-Welded for race-proven strength and durability.

aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.