
BUNDLE * GT-55 Exhaust outlet flange
🔥 GT55 Exhaust Outlet Flange – 5.125" OD Mild Steel | Fits Garrett GT55 Turbochargers
Build your custom downpipe or exhaust system with this precision-cut GT55 exhaust outlet flange. Designed specifically to fit the 5.125" OD outlet of Garrett GT55 frame turbochargers, this flange is made from durable mild steel—perfect for welding into your high-performance turbo setup.
Whether you're fabricating a full exhaust for a race truck, compound kit, or custom street build, this flange provides a solid foundation for a leak-free, high-flow connection.
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🔧 Key Features:
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CNC-cut mild steel construction – ready to weld
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Fits Garrett GT55 turbocharger exhaust outlets
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5.125-inch outer diameter (OD)
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Ideal for custom exhaust fabrication or turbo kits
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Heavy-duty material withstands high-temp turbo environments
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📦 What’s Included:
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(1) GT55 5.125" OD Mild Steel Exhaust Outlet Flange
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Need a matching V-band or transition pipe? Let us know—we’re happy to help complete your custom build.
Pairs well with
Ships within 1-2 business days.
Free shipping & returns

BUNDLE * GT-55 Exhaust outlet flange
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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.