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GMC Sierra Parts

Exhaust

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Kooks 1 7/8" Header w/Green Catted Connection 2014-2018 Silverado & GMC Sierra 1500 5.3L

Kooks

Our Price: Now: $3,633.30

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Features: Tube Diameter: 1.875 Inch Header Type: Long Tube Header Material: T304 Stainless Steel Header Finish: Natural Gaskets Included: Yes Catalytic Converter: No Tune Required: Yes or No 3" Merge Collector 3/8" Thick Laser Cut Flanges Green...

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Kooks 1 3/4" Header w/Green Catted Connection 2014-2018 Silverado & GMC Sierra 1500 5.3L

Kooks

Our Price: Now: $3,606.73

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Features: Tube Diameter: 1.625 Inch Header Type: Long Tube Header Material: T304 Stainless Steel Header Finish: Natural Gaskets Included: Yes Catalytic Converter: No Tune Required: Yes 3" Merge Collector 3/8" Thick Laser Cut Flanges Green Catted...

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Kooks 3" Cat-Back Exhaust System, Black Tips 2014-2018 Silverado 1500 5.3L 2

Kooks

Our Price: Now: $1,877.99

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Features: System Type: Cat-Back Muffler Type: Includes Kooks Mufflers Tip Size: 4 Inch Tip Finish: Black Tip Style: Slash Tip Quantity: Dual System Material: T304 Stainless Steel Pipe Diameter: 3 Inch Bed Length: 5.8 ft Exit Location: Dual Rear Side For...

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Kooks 3" Cat-Back Exhaust System, Chrome Tips 2014-2018 Silverado 1500 5.3L 2

Kooks

Our Price: Now: $1,865.20

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Features: System Type: Cat-Back Muffler Type: Includes Kooks Mufflers Tip Size: 4 Inch Tip Finish: Chrome Tip Style: Slanted Tip Quantity: Dual System Material: T304 Stainless Steel Pipe Diameter: 3 Inch NPP Valve Function: Yes AFM Valve Function:...

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Kooks 3" Cat-Back Exhaust System, Black Tips 2014-2018 Silverado 1500 5.3L

Kooks

Our Price: Now: $1,977.89

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Features: System Type: Cat-Back Muffler Type: Includes Kooks Mufflers Tip Size: 4 Inch Tip Finish: Black Tip Tip Style: Slanted Tip Quantity:Dual System Material: T304 Stainless Steel Pipe Diameter: 3 Inch NPP Valve Function: Yes AFM Valve Function: Yes...

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Kooks 3" Cat-Back Exhaust System, Chrome Tips 2014-2018 Silverado 1500 5.3L

Kooks

Our Price: Now: $1,965.11

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Features: System Type: Cat-Back Muffler Type: Includes Kooks Muffler Tip Size: 4 Inch Tip Finish: Chrome Tip Style: Angled Tip Quantity: Dual System Material: T304 Stainless Steel Pipe Diameter: 4 Inch Bed Length: 5.8 ft Exit Location: Dual Rear Side ...

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Kooks 1 5/8" x 1 3/4" Torque Series Shorty Header 2014-2018 Silverado & GMC Sierra 1500 5.3L & 6.2L

Kooks

Our Price: Now: $1,430.84

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Features: Tube Diameter: Stepped 1.625 - 1.75 Inch Header Type: Short Tube Header Material: T304 Stainless Steel Header Finish: Natural Gaskets Included: Yes Catalytic Converter: No Tune Required: Yes The Kooks 1 5/8" x 1 3/4" stepped shorty...

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JBA 1 5/8" Shorty Header, Titanium Ceramic 2014-2018 Silverado & GMC Sierra 1500 5.3L & 6.2L

JBA

Our Price: Now: $771.45

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Features: Tube Diameter: 1.625 Inch Header Type: Short Tube Header Material: 409 stainless steel Header Finish: Titanium ceramic coated Gaskets Included: Yes Catalytic Converter: No CARB APPROVED 2014-15 5.3L = D-57-33 CARB APPROVED 2014-16 6.2L =...

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JBA 1 5/8" Shorty Header, Chrome 2014-2018 Silverado & GMC Sierra 1500 5.3L & 6.2L

JBA

Our Price: Now: $771.45

MSRP:

Was:

Features: Tube Diameter: 1.625 Inch Header Type: Short Tube Header Material: 409 stainless steel Header Finish: Silver ceramic coated Gaskets Included: Yes Catalytic Converter: No CARB APPROVED 2014-15 5.3L = D-57-33 CARB APPROVED 2014-16 6.2L =...

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JBA 1 5/8" Shorty Header, Natural 2014-2018 Silverado & GMC Sierra 1500 5.3L & 6.2L

JBA

Our Price: Now: $642.95

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Features: Tube Diameter: 1.625 Inch Header Type: Short Tube Header Material: 409 stainless steel Header Finish: Natural Gaskets Included: Yes Catalytic Converter: No CARB APPROVED 2014-15 5.3L = D-57-33 CARB APPROVED 2014-16 6.2L = D-57-33 ...

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Flowmaster 5" x 10" x 18" Oval 50 Series HD Chambered Muffler, 3.5" Offset/Offset 2014-2024 Silverado & GMC Sierra 1500

Flowmaster

Our Price: Now: $245.95

MSRP:

Was:

Flowmaster 5" x 10" x 18" Oval 50 Series HD Chambered Muffler, 3.5" Offset/Offset *Fits: Universal Fit, 2014-2021 Silverado 1500 Designed primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle...

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Flowmaster 5" x 10" x 18" Oval 50 Series HD Chambered Muffler, 3" Center/2.5" Dual 2014-2024 Silverado & GMC Sierra 1500

Flowmaster

Our Price: Now: $239.95

MSRP:

Was:

Flowmaster 5" x 10" x 18" Oval 50 Series HD Chambered Muffler, 3" Center/2.5" Dual *Fits: Universal Fit, 2014-2021 Silverado 1500 Designed primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle...

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Flowmaster 4" x 9.75" x 17" Oval 50 Series Delta Flow Chambered Muffler, 3" Offset/Offset 2014-2024 Silverado & GMC Sierra 1500

Flowmaster

Our Price: Now: $153.95

MSRP:

Was:

Flowmaster 4" x 9.75" x 17" Oval 50 Series Delta Flow Chambered Muffler, 3" Offset/Offset *Fits: Universal Fit, 2014-2021 Silverado 1500 The three chamber design utilizes Flowmaster's Delta Flow technology, along with an internal tuning chamber, to...

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Flowmaster 4" x 9.75" x 17" Oval Super 50 Series Chambered Muffler, 3" Center/2.5" Dual 2014-2024 Silverado & GMC Sierra 1500

Flowmaster

Our Price: Now: $153.95

MSRP:

Was:

Flowmaster 4" x 9.75" x 17" Oval Super 50 Series Chambered Muffler, 3" Center/2.5" Dual *Fits: Universal Fit, 2014-2021 Silverado 1500 The three chamber design utilizes Flowmaster's Delta Flow technology, along with an internal tuning chamber, to...

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Flowmaster 4" x 9.75" x 17" Oval Super 50 Series Chambered Muffler, 2.5" Offset/Center 2014-2024 Silverado & GMC Sierra 1500

Flowmaster

Our Price: Now: $153.95

MSRP:

Was:

Flowmaster 4" x 9.75" x 17" Oval Super 50 Series Chambered Muffler, 2.5" Offset/Center *Fits: Universal Fit, 2014-2021 Silverado 1500 The three chamber design utilizes Flowmaster's Delta Flow technology, along with an internal tuning chamber, to...

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Flowmaster 4" x 9.75" x 17" Oval 50 Series Delta Flow Chambered Muffler, 2.5" Center/Center 2014-2024 Silverado & GMC Sierra 1500

Flowmaster

Our Price: Now: $153.95

MSRP:

Was:

Flowmaster 4" x 9.75" x 17" Oval 50 Series Delta Flow Chambered Muffler, 2.5" Center/Center *Fits: Universal Fit, 2014-2021 Silverado 1500 The three chamber design utilizes Flowmaster's Delta Flow technology, along with an internal tuning chamber, to...

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Flowmaster 5"x10"x18" Oval 50 Series HD Chambered Muffler, 3.5" Offset/Offset 2014-2024 Silverado & GMC Sierra 1500

Flowmaster

Our Price: Now: $276.95

MSRP:

Was:

Flowmaster 5" x 10" x 18" Oval 50 Series HD Chambered Muffler, 3.5" Offset/Offset *Fits: Universal Fit, 2014-2021 Silverado 1500 Designed primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle...

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Flowmaster 3" Outlaw Cat-Back Exhaust System w/ Dump Exit 2014-2018 Silverado & GMC Sierra 1500 4.3L & 5.3L

Flowmaster

Our Price: Now: $399.95

MSRP:

Was:

Flowmaster 3" Outlaw Cat-Back Exhaust System w/ Dump Exit *Fits: 2014-2018 Silverado 1500 4.3L & 5.3L *Fits: 2019 Silverado 1500 Legacy (LD) 4.3L & 5.3L (Classic Body) The Outlaw Extreme Cat-back system delivers the ultimate sound in aggressive...

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Flowmaster 3" American Thunder Cat-Back Dual Exhaust System w/ Dual Rear Exit, 4" Quad Black Tips 2019-2024 Silverado & GMC Sierra 1500 5.3L

Flowmaster

Our Price: Now: $1,020.95

MSRP:

Was:

Flowmaster 3" American Thunder Cat-Back Dual Exhaust System w/ Dual Rear Exit, 4" Quad Black Tips *Fits: 2019-2021 Silverado 1500 5.3L Crew Cab & Double Cab (5.5' & 6.5' beds) w/ Factory Dual Exhaust The Flowmaster® American Thunder® cat-back exhaust...

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Flowmaster 2.5" American Thunder Cat-Back Dual Exhaust System w/ Dual Rear Exit, 4" Quad Black Tips 2019-2024 Silverado & GMC Sierra 1500 6.2L

Flowmaster

Our Price: Now: $1,041.95

MSRP:

Was:

Flowmaster 2.5" American Thunder Cat-Back Dual Exhaust System w/ Dual Rear Exit, 4" Quad Black Tips *Fits: 2019-2021 Silverado 1500 6.2L Crew Cab (5.5' & 6.5' beds) & Double Cab (6.5' bed) *Fits: 147" and 157" wheelbases with 6.2L and Factory Dual...

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Flowmaster 3" Outlaw Cat-Back Dual Exhaust System w/ Dual Side or Rear Exit, 4" Black Tips 2019-2024 Silverado & GMC Sierra 1500 5.3L

Flowmaster

Our Price: Now: $1,051.95

MSRP:

Was:

Flowmaster 3" Outlaw Cat-Back Dual Exhaust System w/ Dual Side or Rear Exit, 4" Black Tips *Fits: 2019-2021 Silverado 1500 5.3L Crew Cab & Double Cab w/ Factory Single TailpipeThis Flowmaster® Outlaw® Cat-back exhaust system is perfect for the person...

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Flowmaster 2.5" American Thunder Cat-Back Dual Exhaust System w/ Dual Side Exit, 3.5" Chrome Tips 2019-2024 Silverado & GMC Sierra 1500 5.3L

Flowmaster

Our Price: Now: $1,020.95

MSRP:

Was:

Flowmaster 2.5" American Thunder Cat-Back Dual Exhaust System w/ Dual Side Exit, 3.5" Chrome Tips *Fits: 2019-2021 Silverado 1500 5.3L, Crew Cab & Double Cab, 2WD/4WD w/ Factory Single Exhaust This Flowmaster® American Thunder® Cat-back exhaust system...

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Flowmaster 3" Force II Cat-Back Exhaust System w/ Single Side Exit, 4" Polished Tip 2014-2018 Silverado & GMC Sierra 1500 4.3L & 5.3L

Flowmaster

Our Price: Now: $963.95

MSRP:

Was:

Flowmaster 3" Force II Cat-Back Exhaust System w/ Single Side Exit, 4" Polished Tip *Fits: 2014-2018 Silverado 1500 4.3L & 5.3L*Fits: 2019 Silverado 1500 Legacy (LD) 4.3L & 5.3L (Classic Body) This Flowmaster Force II cat-back exhaust system is perfect...

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Flowmaster 2.5" American Thunder Dual Cat-Back Exhaust System w/ Dual Rear or Side Exit, 3.5" Polished Tips 2014-2018 Silverado & GMC Sierra 1500 4.3 & 5.3L

Flowmaster

Our Price: Now: $1,014.95

MSRP:

Was:

Flowmaster 2.5" American Thunder Dual Cat-Back Exhaust System w/ Dual Rear or Side Exit, 3.5" Polished Tips *Fits: 2014-2018 Silverado 1500 4.3L & 5.3L*Fits: 2019 Silverado 1500 Legacy (LD) 4.3L & 5.3L (Classic Body) This Flowmaster American Thunder...

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Shop the exhaust sound you want for your GMC Sierra at Phastek. We offer a large selection of styles and brands to choose. Learn more by watching our video explaining what to look for in a good truck exhaust for your GMC Sierra.