T-4 1.00 A/R 83MM S400 EXHAUST HOUSING
🔥 T4 S400 1.00 A/R Divided Turbo Exhaust Housing – For 83mm Turbine Wheel (Twin Scroll, 4 5⁄8" Outlet)
Upgrade your S400 turbo setup with this T4 1.00 A/R Divided Exhaust Housing, engineered for use with 83mm turbine wheels and designed to optimize flow, drive pressure balance, and turbo spool characteristics. Featuring a true twin-scroll volute design and a T4 divided inlet flange, this turbine housing delivers serious performance for street, towing, and race applications.
With a 4 5⁄8" (4.62") machined outlet flange, this housing pairs with standard S400 downpipes and is ideal for high-performance Cummins, Duramax, and Powerstroke builds running BorgWarner S400-based turbos.
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🔧 Key Features:
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Fits BorgWarner S400 turbos with 83mm turbine wheels
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1.00 A/R for strong mid-to-top-end power with responsive spool
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T4 divided (twin-scroll) inlet flange for pulse-split exhaust flow
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4 5⁄8" machined outlet flange – standard S400 sizing
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Twin volute design improves boost response and lowers drive pressure
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Cast iron construction for high-heat reliability
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Compatible with most S475, S478, S480 turbo setups
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Perfect for single or compound turbo applications
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📦 What’s Included:
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1x T4 Divided S400 Exhaust Housing (1.00 A/R, 83mm turbine fitment)
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Whether you’re chasing ETs at the track or building a balanced street/strip setup, this exhaust housing provides the flow and fitment needed to get the most out of your S400 turbocharger.
Pairs well with
Ships within 1-2 business days.
Free shipping & returns
T-4 1.00 A/R 83MM S400 EXHAUST HOUSING
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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.