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Your vehicle 2003 GMC Sierra 2500

Your vehicle:2003 GMC Sierra 2500

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4" Exhaust Kits for 2003 GMC Sierra 2500

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Fits your vehicle
2001-2004 Chevrolet/GMC Silverado/Sierra 2500/3500 6.6L EC/CC 4 Inch Downpipe-Back No Muffler Single Side Exit Aluminized Steel MBRP
- $559.99
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Fits your vehicle
2001-2004 Chevrolet/GMC Silverado/Sierra 2500/3500 6.6L EC/CC 4 Inch Downpipe-Back No Muffler Single Side Exit T409 Stainless Steel MBRP
- $769.99
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Fits your vehicle
2001-2004 Chevrolet/GMC Silverado/Sierra 2500/3500 6.6L EC/CC 4 Inch Downpipe-Back Single Side Exit Aluminized Steel MBRP
- $629.99
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- 3% off
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Fits your vehicle
4" Aluminized Cat Back Single | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Aluminized, With Muffler
- $669.30
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- 3% off
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Fits your vehicle
4" Aluminized Downpipe Back Single No Muffler| 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Aluminized, Without Muffler
- $669.30
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- 3% off
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Fits your vehicle
4" Aluminized Downpipe Back Single | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Aluminized, With Muffler
- $737.20
Product amount in cart
- 3% off
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Fits your vehicle
4" Stainless Cat Back Single | 2001-2004.5 GM 2500/3500 6.6L DURAMAX With Muffler (FLO-PRO)
Stainless, With Muffler
- $834.20
Product amount in cart
- 3% off
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Fits your vehicle
4" Stainless Downpipe Back Single With Muffler | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Stainless, With Muffler
- $1076.70
Product amount in cart
- 3% off
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Fits your vehicle
4" Stainless Downpipe Back Single Without Muffler | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Stainless, Without Muffler
- $1018.50
Product amount in cart
- 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
Product amount in cart
- 3% off
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Fits your vehicle
4" Stainless Cat Back Single | 2001-2004.5 GM 2500/3500 6.6L DURAMAX With Muffler (FLO-PRO)
Stainless, With Muffler
- $834.20
Product amount in cart
- 3% off
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Fits your vehicle
4" Stainless Downpipe Back Single Without Muffler | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Stainless, Without Muffler
- $1018.50
Product amount in cart
- 3% off
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Fits your vehicle
4" Stainless Downpipe Back Single With Muffler | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Stainless, With Muffler
- $1076.70
Product amount in cart
- 3% off
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Fits your vehicle
4" Aluminized Downpipe Back Single No Muffler| 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Aluminized, Without Muffler
- $669.30
Product amount in cart
- 3% off
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Fits your vehicle
4" Aluminized Cat Back Single | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)
Aluminized, With Muffler
- $669.30
Product amount in cart

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- 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
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