Nissan Z Valved Sport Exhaust System
The Nissan 400Z brings back the spirit of the Z car with its new twin turbocharged V6,. While the platform delivers strong performance, the factory exhaust system is heavily restricted with small piping that mutes much of the car’s potential...
The Nissan 400Z brings back the spirit of the Z car with its new twin turbocharged V6,. While the platform delivers strong performance, the factory exhaust system is heavily restricted with small piping that mutes much of the car’s potential sound. At Valvetronic Designs we knew exactly how to approach this car, using our engineering experience to create an exhaust configuration that delivers the raw, motorsport inspired sound this car deserves.
Purpose-Driven Engineering
The system is constructed from premium T304 stainless steel and designed around a center merge crossover mid pipe that optimizes flow and harmonics before feeding into the valved rear section. With the valves closed the Z remains quiet and composed, perfect for cruising or late night drives. With the valves open the car transforms completely, delivering an unfiltered and aggressive tone that matches the performance heritage of the Z badge. Larger piping size increases efficiency, reduces back pressure, and sharpens response, while a set of 5 inch double wall tips give the rear end a striking finish.
Fitment
- 2023+ Nissan Z
Key Features
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Full valved exhaust configuration with quiet and aggressive sound modes
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T304 stainless steel construction for strength, tone, and longevity
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Center merge crossover mid pipe for motorsport inspired sound and flow optimization
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Larger piping size to increase performance and throttle response
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Precision engineered for no drone and no unwanted frequencies
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5 inch double wall exhaust tips included for a bold OEM plus look
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Direct bolt on installation with no cutting and no welding required
The Result
With this system installed the 400Z gains the sound and character it always should have had from factory. Quiet and refined when you want to blend in, raw and aggressive when you want to make a statement, this exhaust unlocks the full potential of the twin turbo V6. Combined with free flow components and software tuning (sourced from other companies), the performance and driving experience take another leap forward. For enthusiasts who demand the ultimate balance of sound, flexibility, and quality, this is the exhaust that transforms the 400Z into a true modern Z car.
Shipping Information
Shipping costs vary by product size, weight, and destination. Please call us for shipping details and a quote before placing your order.
📞 Call 913-291-2027
info@americanfusionwheels.com
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Local pickup is always FREE at our shop:
American Fusion Wheels
12310 W 62nd Ter, Shawnee, KS 66216
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Professional Installation Available
We professionally install everything we sell — wheels, tires, suspension, exhaust, lighting, audio, and more. When you pick up locally or have items shipped to our shop, our experienced technicians handle the installation so everything is done right.
Call us to schedule your installation appointment.
Freight & Large Item Shipping
Wheels, tires, and oversized items typically ship via freight truck.
- Delivery Appointment: The freight carrier will call you to schedule a delivery window.
- Signature Required: An adult must be present to inspect and sign for freight shipments.
- Inspection Policy: You MUST inspect the pallet and items for damage BEFORE signing the delivery receipt. If items are damaged, note the damage on the receipt before the driver leaves, or refuse the shipment.
Contact Us
For shipping questions, call 913-291-2027 or email info@americanfusionwheels.com
At American Fusion Wheels, customer satisfaction is important to us. We strive to ensure you get the perfect fit for your vehicle. Please review our return policy carefully before making a purchase.
15-Day Return Policy
We accept returns within 15 days of the original purchase date under the following conditions:
- Items must be unused, uninstalled, and in brand-new condition.
- Items must be returned in their original packaging.
- All accessories, hardware, and documentation must be included.
- Proof of purchase (receipt or invoice) is required.
Non-Returnable Items
The following items are final sale and not eligible for return:
- Mounted or installed wheels or tires (once a tire is mounted on a wheel, it is considered used).
- Custom-ordered or special-order items (items not kept in our local inventory).
- Clearance, "Open Box," or discounted items.
- Electrical components (TPMS sensors, lighting, etc.).
- Labor, installation, or service charges.
Wheels & Tires Fitment Responsibility
Customers are responsible for confirming proper fitment before purchase.
- American Fusion Wheels is not responsible for returns due to incorrect fitment once items are mounted or installed.
- If you are modifying your suspension (lifting or lowering), fitment requirements may change.
- We strongly recommend contacting our team before purchasing if you are unsure about sizing, offset, or bolt patterns.
Return Shipping & Fees
- Return shipping is the buyer's responsibility — you are responsible for arranging and paying for return shipping.
- A 15% restocking fee will be deducted from your refund.
- Original shipping charges (if any) are non-refundable.
- Returns must be shipped using a trackable shipping method with insurance.
- We are not responsible for items lost or damaged during return shipping.
Damaged or Incorrect Items
If you receive an item that is damaged or incorrect, please contact us within 48 hours of delivery with photos of the item and packaging. Do not attempt to install a damaged or incorrect part, as installation constitutes acceptance of the product. We will work with you to resolve the issue as quickly as possible.
Manufacturer Warranties
Many of the brands we carry offer specific warranties on finishes and structural integrity. If you experience a defect after the 15-day return window, we will gladly assist you in facilitating a warranty claim with the manufacturer.
How to Start a Return
To request a return authorization (RMA), please contact us:
American Fusion Wheels
12310 W 62nd Ter, Shawnee, KS 66216
913-291-2027
info@americanfusionwheels.com
Returns sent without prior authorization (RMA) will be refused.
Refund Processing
- Approved refunds will be issued to the original payment method.
- Refunds are typically processed within 5-7 business days of the item being inspected at our facility.
- The 15% restocking fee will be deducted from your refund amount.
- Shipping and handling charges are non-refundable.
In-Store Purchases
Return eligibility for in-store purchases follows the same policy and must be approved by management. Returns for in-store purchases must be brought back to our Shawnee, KS location.
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12310 W 62nd Terrace, Shawnee, KS 66216
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Phone: 913-291-2027

