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Your vehicle 2018 GMC Sierra 2500 HD

Your vehicle:2018 GMC Sierra 2500 HD

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4" Exhaust Kits for 2018 GMC Sierra 2500 HD

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Fits your vehicle
4 Inch Filter Back Dual Outlet Single Side Aluminized Steel For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP
- $634.99
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4 Inch Filter Back Single Side Aluminized Steel For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP
- $474.99
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4 Inch Filter Back Single Side Black Coated For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP
- $649.99
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4 Inch Filter Back Single Side T304 Stainless Steel For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP
- $779.99
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- 3% off
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4" Aluminized Downpipe Back Single NO Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Aluminized, Without Muffler
- $882.70
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- 3% off
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4" Aluminized Downpipe Back Single With Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Aluminized, With Muffler
- $989.40
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- 3% off
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4" Aluminized Downpipe Back Single Without Muffler| Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Aluminized, Without Muffler
- $921.50
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- 3% off
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Fits your vehicle
4" Stainless Downpipe Back Single NO Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Stainless, Without Muffler
- $1086.40
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- 3% off
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4" Stainless Downpipe Back Single With Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Stainless, With Muffler
- $1164.00
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- 3% off
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P1 4" Down Pipe Back, Race System, without bungs, with muffler, AL, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P
- $950.59
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- 3% off
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P1 4" Down Pipe Back, Race System, without bungs, without muffler, 409 Stainless, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P
- $960.29
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- 3% off
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P1 4" Down Pipe Back, Race System, without bungs, without muffler, Aluminized, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P
- $824.49
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- 3% off
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Regular Product
P1 4" Turbo Back, Race System, no bungs, without muffler, T409 Stainless, 2019-2022 RAM 2500/3500 6.7L ,All Models
- $979.69
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- 3% off
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Regular Product
P1 4" Turbo Back, Race System, no bungs, without muffler, T409 Stainless, 2019-2022 RAM 2500/3500 6.7L ,All Models
- $979.69
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- 3% off
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Fits your vehicle
P1 4" Down Pipe Back, Race System, without bungs, without muffler, 409 Stainless, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P
- $960.29
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- 3% off
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Fits your vehicle
P1 4" Down Pipe Back, Race System, without bungs, without muffler, Aluminized, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P
- $824.49
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- 3% off
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Fits your vehicle
P1 4" Down Pipe Back, Race System, without bungs, with muffler, AL, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P
- $950.59
Product amount in cart
- 3% off
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Fits your vehicle
4" Aluminized Downpipe Back Single Without Muffler| Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Aluminized, Without Muffler
- $921.50
Product amount in cart
- 3% off
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Fits your vehicle
4" Stainless Downpipe Back Single NO Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Stainless, Without Muffler
- $1086.40
Product amount in cart

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Who we are
- Upgrade your truck with high-performance parts and rugged tires at Lake City Performance.
  We stock trusted brands—AMDP, American Force, Fabtech, and more—and offer everything from lift kits to wheels for off-road, work, or daily driving. Our team is dedicated to quality, performance, and making your truck build easy, with flexible payment options and expert support every step of the way.
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- #10-1145 South Lakeside Drive
  Williams Lake, British Columbia, Canada, V2G 3A7
- - 1-250-267-6991
  - sales@lakecityperformance.net