T-4 1.10 A/R 83MM S400 EXHAUST HOUSING
🔥 T4 S400 1.10 A/R Divided Turbo Exhaust Housing – For 83mm Turbine Wheel (Twin Scroll, 4 5⁄8" Outlet)
Unlock serious top-end performance with the T4 S400 1.10 A/R Divided Exhaust Housing, built for BorgWarner S400 turbos equipped with an 83mm turbine wheel. Designed with a high-flow twin-scroll volute and a T4 divided inlet flange, this turbine housing delivers improved exhaust gas management, reduced drive pressure, and increased overall turbo efficiency.
Ideal for high-horsepower diesel applications and aggressive single or compound turbo setups, the 1.10 A/R ratio balances strong mid-range power with excellent top-end flow characteristics—making it a go-to choice for performance-driven builds.
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🔧 Key Features:
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Fits BorgWarner S400 turbos with 83mm turbine wheel
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1.10 A/R for enhanced top-end power and improved drive pressure balance
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T4 divided (twin-scroll) inlet flange – supports pulse-separated exhaust flow
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4 5⁄8" machined outlet flange – compatible with standard S400 downpipes
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Volute twin-scroll design for optimal exhaust gas velocity and turbine efficiency
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Durable cast iron construction for high-heat, high-boost environments
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Ideal for Cummins, Duramax, and Powerstroke engines in performance or race setups
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📦 What’s Included:
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1x T4 Divided S400 Exhaust Housing (1.10 A/R, 83mm turbine fitment)
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Whether you're building a big single or a compound system, the S400 1.10 A/R exhaust housing offers the flow and responsiveness needed to handle serious horsepower.
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Ships within 1-2 business days.
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T-4 1.10 A/R 83MM S400 EXHAUST HOUSING
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FAQs
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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.