2003-2009 Nissan 350Z 3.5L Cat Back Exhaust w/ 4.5 Inches Dual Burnt Tips

350Z Cat Back Exhaust For 2003-2009 Nissan 350Z

A good exhaust should make the car feel sharper without turning every drive into a headache. This system is made for 350Z owners who want a deeper VQ tone, cleaner rear-end appearance, and better exhaust flow while keeping the setup straightforward.

Designed for listed 2003-2009 Nissan 350Z 3.5L models, this cat-back exhaust uses stainless steel construction, mandrel-bent tubing, dual mufflers, and 4.5-inch dual burnt tips. On a healthy stock or lightly modified 350Z, it typically supports an estimated 5-10 HP gain. With supporting parts and a proper tune, around 8-12 HP may be possible depending on the full setup.

Specifications

Check the core specs before ordering. These details matter more than they look on paper, especially if your 350Z already has aftermarket exhaust parts or old factory hardware underneath.

Key Features

• Cat-back exhaust layout: Replaces the rear exhaust section behind the catalytic converters.
• Dual muffler design: Helps create a deeper tone while keeping the sound more controlled than a straight-pipe style rear section.
• 2.25-inch piping: A practical size for naturally aspirated VQ35 street builds.
• 4.5-inch dual burnt tips: Gives the rear bumper a fuller, more aggressive finish.
• Stainless steel construction: Built for strength, heat resistance, and long-term use.
• Mandrel-bent tubing: Helps maintain smoother exhaust flow through the bends.
• Bolt-on style fitment: Designed to install without custom fabrication on listed stock-fit applications.

Cat-Back Design And Sound Character

This is a 350Z cat-back exhaust system, not just a small axle-back section. It replaces more of the exhaust path behind the catalytic converters, which helps change tone and flow more noticeably than a simple rear muffler swap.

Expect a deeper, more aggressive sound compared with the factory exhaust. The dual muffler layout keeps the tone more street-friendly than a fully straight rear section, though final sound depends on your headers, cats, test pipes, resonators, and engine condition.

4.5-Inch Dual Burnt Tips

The 4.5-inch dual burnt tips give the rear of the 350Z a fuller and more modified look without needing to change the bumper. For many owners, this is the part they notice first after installation: the car looks lower, wider, and more finished from the back.

See how Jake Cande installs dual exhaust! (350Z)

Performance Expectations

On most stock or lightly modified 350Z builds, this exhaust can support an estimated 5-10 HP improvement by reducing restriction in the rear exhaust section. With supporting parts such as an intake, headers, test pipes, or a proper tune, some setups may see around 8-12 HP from the exhaust-side changes working together.

Those numbers are not a fixed dyno promise. Mileage, engine health, ECU calibration, existing exhaust parts, air temperature, and dyno type all change the final result. From a garage point of view, the more noticeable upgrades are usually the stronger tone, cleaner throttle feel, and better high-rpm breathing.

Single Tip Vs Dual Tip 350Z Catback Exhaust

For a 350Z, the choice between a single-tip and dual-tip catback exhaust is not just about sound. It also changes the rear-end look, weight feel, and the style of the build. A dual-tip setup like this one keeps the back of the car fuller and closer to a factory-style dual-exit appearance, while still giving the VQ35 a deeper aftermarket tone.

For a more minimal setup, you can also check the Flashark Single Tip Catback Exhaust for compatible 350Z and G35 applications. Choose the dual-tip exhaust on this page if you want the fuller rear-end look, dual muffler layout, and balanced street tone.

Shipping, Warranty & Customer Support

• Estimated Delivery: Most orders are delivered within 7-9 business days after shipment, depending on warehouse availability and destination.
• 1-Year Warranty: This product is backed by a 1-year warranty against manufacturing defects.
• Returns & Fitment Support: Please confirm your vehicle year, model, engine, and drivetrain before ordering. If you are unsure about fitment, contact customer support before purchase.
• Customer Support: Our support team can help with basic fitment questions, order issues, and warranty-related support.