Fitment Information

• Nissan Altima 2.4L / 2.5L 4 Cyl QR25DE Base / S / SL (2002, 2003, 2004, 2005, 2006)
• Does NOT Fit 3.5L V6 SE SE-R Models

Specs & Features

• Inlet / Outlet Diameter:  2.50"/2.50" OD 
  
• Tip Dimension (IN): 3.00" OD
• Tip Finish: Polished
• Material: Premium T-304 stainless steel for long-lasting strength and corrosion resistance.
  
• Mandrel Bends: CNC mandrel-bent piping ensures smooth airflow and maximum exhaust velocity.
  
• Construction: TIG-welded, CNC flanges deliver tight seals and durability under pressure.
  
• Sound: Deep, aggressive tone — throaty at throttle, smooth while cruising, no harsh rasp.
  
• Performance: Dyno-proven improved torque and throttle response. Aggressive, deep, and smooth tone while ensuring smooth exhaust gas flow and increasing engine output and efficiency.
• Fitment: Includes gaskets and hardware for an easy, bolt-on or clamp-on installation.
  

Product Description

Upgrading vehicle exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make a world of difference on your vehicle. The net result is lower auto exhaust backpressure, more horsepower, more torque, and a much better sound.

Standard Warranty

All J2 Engineering products come with a 30-day limited manufacturer’s warranty covering defects in materials and workmanship under normal use. This warranty does not cover wear and tear, misuse, or improper installation.

⚠️ Extend Product Protection Recommended
To ensure peace of mind and protect your investment long-term, we strongly recommend purchasing an Extend product protection plan available during checkout. Extended coverage can offer added security & support beyond the standard 30-day warranty period.