Sale

Stillen

Stainless Steel Cat-Back Exhaust System

$1,568.31 $1,383.43 Save $184.88

SKU: 504350

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Stillen 504350D Stainless Steel Cat-Back Exhaust System is engineered to enhance the performance and sound of your 2003-2009 Nissan 350Z. Featuring mandrel-bent tubing for optimized exhaust flow, this cat-back system delivers a noticeable increase in horsepower and torque, with a manufacturer claim of up to 16 rear wheel horsepower and 14 ft-lbs. This system includes polished, double-wall exhaust tips, each measuring 4.5 inches, and dual polished mufflers, all contributing to a refined yet sporty aesthetic. The dual split rear exit design ensures a symmetrical and performance-oriented appearance. Installation is supported by included hardware and instructions. The use of premium materials and precise engineering aims to provide a long-lasting service life and reliable performance for the dedicated enthusiast.

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

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandStillen
Part Number504350
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.

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