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Circuit Works

Circuit Werks True Dual Cat-Back Exhaust System

$499.99 $399.99 Save $100.00

SKU: EX-NS350Z03-TD

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Circuit Werks cat-back exhaust system is designed for 2003-2009 Nissan 350z models. It features true dual mufflers and twin angle-cut polished tips. The system includes two Helmholtz chambers to reduce resonance and comes with gaskets and hardware.
Show original supplier description
The Circuit Werks 03-09 Nissan 350z True Dual Muffler Catback Exhaust System provides a performance upgrade for your Fairlady Z. The exhaust is finished with twin angle-cut, 4.5-inch (115mm) polished tips that will be exposed from your rear bumper, giving a sporty appearance. The construction utilizes polished materials for durability and a premium look. Gaskets and all necessary hardware are included for a complete installation. This cat-back exhaust system is compatible with 2003-2009 Nissan 350z models. However, it is important to note that this system will not fit European specification models and is not compatible with 350z models equipped with Active Rear Steering.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandCircuit Works
Part NumberEX-NS350Z03-TD
CategoryExhaust
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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