Vendor:Speedzone Performance LLC
SPDZ1 16-23 Infiniti Q50 Q60 3.0T Twin Turbo Lower Downpipes VR30DDTT Q50 Q60 400Z VR30
Unleash the true potential of your Infiniti Q50, Q60, or 2023+ Nissan 400Z with the SPDZ1 3" Lower Downpipes, engineered exclusively for the VR30DDTT 3.0L Twin Turbo platform.
Designed to dramatically improve exhaust flow and turbo efficiency, these downpipes transform your car’s performance, response, and sound — all while maintaining perfect fitment and reliability.
Crafted from high-grade polished stainless steel, each SPDZ1 downpipe is precision-bent and TIG-welded to deliver maximum flow with minimal turbulence. The result: faster turbo spool, sharper throttle response, and noticeable horsepower gains across the powerband.
Whether you drive an Infiniti Q50, Q60, or the all-new Nissan 400Z, this bolt-on upgrade brings race-ready performance to your street machine — backed by the proven quality and design of SPDZ1.
Key Features
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Fitment:
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2016–2023 Infiniti Q50 3.0T (VR30DDTT)
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2017–2023 Infiniti Q60 3.0T (VR30DDTT)
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2023+ Nissan 400Z (Z34, VR30DDTT Twin Turbo)
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Material: Premium polished stainless steel for long-term durability and corrosion resistance
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Design: 4-inch high-flow mandrel bends with smooth transitions for maximum exhaust velocity
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Performance: Improves turbo spool, throttle response, and top-end horsepower
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Installation: Direct bolt-on fitment using factory mounting points — includes gaskets and hardware
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Sound: Deep, aggressive exhaust tone with enhanced turbo acoustics
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Recommended: Professional installation and tuning for optimal performance
Performance You Can Feel
From the track to the street, SPDZ1 Downpipes are built for enthusiasts who demand power without compromise. Gain the sharper throttle response, faster spool, and exhilarating tone your VR30 twin turbo was meant to deliver — whether in your Infiniti or your Nissan 400Z.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
SPDZ1 16-23 Infiniti Q50 Q60 3.0T Twin Turbo Lower Downpipes VR30DDTT Q50 Q60 400Z VR30
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.