2003 CHEVROLET SILVERADO-2500-HD Exhaust - In Stock Filter Options - Vendor In Stock Filter Options

BD Diesel Turbo Up Pipes 1043800

Exhaust Pipes, Turbo Up Pipes, Stainless Steel, Natural, 2.00 in. Diameter, Chevy, GMC, 6.6L Diesel, Pair

Part Number: BDD-1043800

5.0 out of 5 stars ( 2 )

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Summit Racing™ Spark Plug Boot Heat Shields SUM-889505

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Silver, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505

Not Yet Reviewed

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Pacific Performance Engineering Exhaust Manifolds 116111000

Exhaust Manifolds, High Silicon Cast Iron, Natural, Chevy, GMC, 6.6L Diesel, Pair

Part Number: PPE-116111000

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

JBA Performance Exhaust Cat4ward Headers 1860S

Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, 8.1L, No Air Injection, Pair

Part Number: JBA-1860S

1.0 out of 5 stars ( 1 )

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Flowtech Headers 11142FLT

Headers, Shorty, Steel, Temporary Black Paint, Chevy, GMC, Pair

Part Number: BIG-11142FLT

Not Yet Reviewed

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AP Exhaust OE Replacement Steel 3 Inch Muffler 2525

AP Exhaust OE Replacement Steel 3 Inch Muffler 2525

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-2525

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

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AP Exhaust OE Replacement Steel 3 Inch Muffler X503

3.5 out of 5 stars ( 8 )

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MagnaFlow Universal Catalytic Converters 51659

Catalytic Converter, Stainless Steel, 3.00 in. Inlet, 3.00 in. Outlet, 8.75 in. Length, Universal, Each

Part Number: MPE-51659

Not Yet Reviewed

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JBA Performance Exhaust Cat4ward Headers 1850S-3JT

Headers, Cat4ward, Stainless Steel, Titanium, Cadillac, Chevy, GMC, Hummer, SUV, Pickup, 6.0L, Pair

Part Number: JBA-1850S-3JT

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Stainless Works 3-Bolt 2.5 Inch Exhaust Flange FLCP-2.5

Exhaust Flange, 2-Bolt, Stainless Steel, Natural, 2.50 in. Diameter, Chevrolet, GMC, Each

Part Number: STW-FLCP-2-5

Not Yet Reviewed

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MagnaFlow Exhaust Tubing 15451

Exhaust Pipe, Straight, 16-gauge, Stainless Steel, Natural, 4 in. O.D., 34 in. Length, Each

Part Number: MPE-15451

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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MBRP Installer Series Muffler Delete Pipes MDA30

4 out of 5 stars ( 13 )

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Summit Racing™ Spark Plug Boot Heat Shields SUM-889505R

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Red, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505R

Not Yet Reviewed

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MBRP XP Series Muffler Bypass Pipes MDS930

Muffler Delete Pipe, Stainless Steel, 4 in. Diameter, 30 in. Length, Chevy, GMC, Ford, Dodge, Each

Part Number: MBR-MDS930

4.75 out of 5 stars ( 4 )

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MBRP Installer Series Muffler Delete Pipes MDA531

Muffler Eliminator Pipe, Steel, Aluminized, 5.0 in. Inlet/Outlet, 30 in. Length, Chevy, GMC, Dodge, Ford, Each

Part Number: MBR-MDA531

Not Yet Reviewed

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Walker Ultra Direct-Fit Catalytic Converters 55557

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-55557

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

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AP Exhaust Direct-Fit Catalytic Converters 645455

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Estimated Ship Date: Jan 26, 2026

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Walker Ultra Direct-Fit Catalytic Converters 53726

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Flange, Chevrolet, GMC, Each

Part Number: WLK-53726

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Catco Federal/EPA Direct-Fit Catalytic Converters 9990

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026

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Walker CalCat Universal Catalytic Converters 83404

Catalytic Converter, CalCal Universal, One Inlet, 3 in., One Outlet, 3 in., Stainless Steel, Ceramic Honeycomb, Each

Part Number: WLK-83404

5.0 out of 5 stars ( 1 )

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Dorman Exhaust Manifold Mounting Hardware 675-226

Exhaust Hardware Kit, Exhaust Manifold Hardware Kit

Part Number: RNB-675-226

Not Yet Reviewed

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AP Exhaust OE Replacement Steel 3 Inch Muffler X504

Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X504

3.0 out of 5 stars ( 1 )

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ACDelco Starter Heat Shields 12668713

Shield, Starter, Heat Protection, Stock Replacement, Bolt-On, Buick, Cadillac, Chevrolet, GMC, Hummer, Car, Truck, Each

Part Number: ADO-12668713

Not Yet Reviewed

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AP Exhaust Universal Catalytic Converters 606007

Catalytic Converters, Universal, 3.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 21.50 in. Overall Length, Each

Part Number: APH-606007

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Hedman Street Headers 69726

Headers, Full-Length, Steel, Silver Ceramic Coated, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69726

5.0 out of 5 stars ( 1 )

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MagnaFlow Universal Catalytic Converters 99759HM

Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 3 in. Slip Fit Inlet/Outlet, 11.50 in. Length, Each

Part Number: MPE-99759HM

Not Yet Reviewed

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Dynomax Tailpipes 55509

Tailpipe, Exhaust, Outside Diameter 4.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-55509

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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MagnaFlow Street Series Performance Exhaust Systems 15829

Exhaust, Cat-Back, Stainless Steel, Polished Stainless Tips, Chevy, GMC, Pickup, 6.0L

Part Number: MPE-15829

3.5 out of 5 stars ( 2 )

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Walker Universal Catalytic Converters 93239

Catalytic Converters, Universal, Stainless Steel Case, 3.000 in. Slip Fit Inlet/Outlet, 13.250 in. Overall Length, Each

Part Number: WLK-93239

4.5 out of 5 stars ( 2 )

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