


T-4 24 Valve Stainless Diesel Exhaust Manifold
T-4 Stainless Diesel Cummins Exhaust Manifold – 24V Sled Puller
Elevate your 24-valve Dodge Cummins performance with the T-4 Stainless Diesel Exhaust Manifold, engineered specifically for sled pullers and high-power builds. Crafted with premium shell molding technology, this manifold delivers superior airflow and durability unmatched by traditional castings.
Key Features:
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Advanced Shell-Molded Casting: Smooth interior and exterior surfaces ensure superior exhaust flow compared to older, rough “60 grit sandpaper” style castings commonly found elsewhere.
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Bolt-On CNC-Ported Center Section: ¾” thick center section allows for custom porting to meet your exact specifications.
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Dual Drilled & Tapped Ports: Ready for EGT and Drive sensors to keep precise track of engine conditions.
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Thick-Wall Construction: Retains heat effectively to improve turbo spool and overall efficiency.
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Generous 1.650" Runner Diameter: Full-length runners maintain high flow rates right to the center outlet.
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Improved Turbo Driveability: Enhances responsiveness and reduces spool time by several hundred RPMs on large turbo setups.
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Increases Power & Expands Powerband: Provides noticeable horsepower gains and a wider, more usable torque curve.
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Better Fuel Economy: Optimizes efficiency when combined with complementary modifications.
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Excellent Fit & Finish: Designed for a precise fit with robust construction and smooth runners featuring extra porting room.
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Superior Flow Compared to Competitors: Engineered to outperform other exhaust manifolds on the market.
Upgrade your Cummins with this direct bolt-on replacement that improves spool-up, horsepower, and throttle response for an all-around better driving and pulling experience.
Pairs well with
Ships within 1-2 business days.
Free shipping & returns

T-4 24 Valve Stainless Diesel Exhaust Manifold
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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.