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2017-2023 Duramax L5P 6.6L 3.5" Downpipe Exhaust
$280.00
Sale price
$280.00
Regular price
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2017-2023 Duramax L5P 6.6L 3.5" Downpipe Exhaust
$280.00
Sale price
$280.00
Regular price
Free Shipping on All Orders
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American business — No cheap junk parts
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Financing available with Shop Pay Installments
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Quality guaranteed performance parts
✉ Questions about fitment? Contact us
☎ Need help? Text (512) 522-9403
Slab Industries Diesel — 3.5" Downpipe Exhaust | 6.6L Duramax L5P (2017–2023)
A purpose-built 3.5" downpipe exhaust for the L5P Duramax. Drop EGTs, improve exhaust flow from the turbo back, and wake up the sound of your Silverado or Sierra — bolt-on with no fabrication required.
What you get
- Reduced exhaust gas temperatures
- Improved flow from the turbocharger back
- Deeper, more aggressive exhaust note
- Bolt-on install
- Ships within the US
Specs
- Diameter: 3.5 inches, downpipe
- Construction: Stainless steel
- Fitment: OE-style hangers
Fitment
- Engine: 6.6L Duramax L5P
- Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023
- Trucks: Chevrolet Silverado 2500/3500HD, GMC Sierra 2500/3500HD
- Does NOT fit Cab & Chassis trucks
Shipping & support
Ships within the US. Email slabindustriesdiesel@gmail.com with your year and cab style to confirm fitment before ordering.