Exhaust Headers & Y-Pipe Fit for 2002-2006 Nissan Altima 3.5L V6 Manual Models

Exhaust header and Y-pipe system designed specifically for compatible 2002-2006 Nissan Altima 3.5L V6 manual-transmission models. Featuring 1.75 in primary tubes, four O2 sensor locations, a 2.0 in inlet and 2.5 in outlet Y-pipe, and a three-piece 3-1 / 2-1 exhaust configuration, this system is designed for compatible VQ35DE 3.5L V6 applications.

Vehicle Fitment

• Fit for 2002 Nissan Altima 3.5L V6 with Manual Transmission
• Fit for 2003 Nissan Altima 3.5L V6 with Manual Transmission
• Fit for 2004 Nissan Altima 3.5L V6 with Manual Transmission
• Fit for 2005 Nissan Altima 3.5L V6 with Manual Transmission
• Fit for 2006 Nissan Altima 3.5L V6 with Manual Transmission
• Engine Compatibility: VQ35DE 3.5L V6
• Manual Transmission Models Only
• Does Not Fit Automatic Transmission Models
• Designed specifically around the compatible Nissan Altima 3.5L V6 exhaust configuration
• Four O2 sensor locations are incorporated into the specified header system
• Please verify your vehicle year, 3.5L V6 engine, transmission type, O2 sensor configuration, and existing exhaust connections before purchasing
• Vehicles with modified exhaust systems, aftermarket engine components, or non-original exhaust piping may require additional fitment verification

Product Highlights

• VQ35DE 3.5L V6 Compatibility – Designed for compatible Nissan Altima applications equipped with the 3.5L V6 engine and manual transmission
• 1.75 in Primary Tubes – Features 1.75 in primary tubing for the specified header configuration
• Four O2 Sensor Locations – Includes four oxygen sensor locations to match the specified exhaust system layout
• Y-Pipe Configuration – Features a 2.0 in inlet and 2.5 in outlet Y-pipe for the specified exhaust connection
• Oval Inlet Design – Uses a specified 1.75 in × 1.25 in oval inlet configuration
• Three-Piece Exhaust Design – Built in a three-piece configuration for the specified header and Y-pipe system
• 3-1 / 2-1 Tube Layout – Uses a 3-1 primary tubing arrangement combined with a 2-1 Y-pipe design
• Stainless Steel Construction – Stainless steel construction provides durability for compatible performance exhaust applications

Product Specifications

• Product Type: Exhaust Headers & Y-Pipe
• Vehicle Make: Nissan
• Vehicle Model: Altima
• Model Years: 2002-2006
• Engine: 3.5L V6
• Engine Family: VQ35DE
• Transmission Compatibility: Manual Only
• Primary Tube Diameter: 1.75 in
• Y-Pipe Inlet Diameter: 2.0 in
• Y-Pipe Outlet Diameter: 2.5 in
• Header Inlet Diameter: 1.75 in × 1.25 in Oval
• Outlet Diameter: 2.5 in
• O2 Sensor Locations: 4
• Primary Configuration: 3-1
• Y-Pipe Configuration: 2-1
• System Design: 3-Piece
• Material: Stainless Steel
• Reference Model: EH28911

Package Includes

• 1 × Set of Header Exhaust System
• Gaskets
• Bolts

Installation Notes

• Please verify the exact vehicle year, engine, and transmission before purchasing
• Designed for 2002-2006 Nissan Altima 3.5L V6 manual-transmission models only
• Does not fit automatic-transmission applications
• Confirm all four O2 sensor locations and sensor connections before installation
• Verify the 2.0 in Y-pipe inlet and 2.5 in outlet dimensions against the existing exhaust system
• Check header flange positions, exhaust routing, underbody clearance, and downstream exhaust connections before installation
• Modified exhaust systems or other non-original components may require additional adjustment or fabrication
• Professional installation is recommended