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Dorman Exhaust Manifold Heat Shields 674-522HS

Exhaust Manifold Heat Shield, Steel, Silver, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-674-522HS

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

AP Exhaust Direct-Fit Catalytic Converters 645341

AP Exhaust Direct-Fit Catalytic Converters 645341

Catalytic Converters, Direct-Fit, 2.50 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 27.50 in. Overall Length, Chevrolet, GMC, Each

Part Number: APH-645341

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 642196

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Converter with Integrated Exhaust Manifold, Chevy, GMC, Hummer, Isuzu, 3.5L, Each

Part Number: APH-642196

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

ATP Exhaust Manifolds 101156

Exhaust Manifolds, Cast Iron, Natural, Right, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-101156

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Dorman Exhaust Manifolds 674-728

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Each

Part Number: RNB-674-728

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Walker Quiet-Flow Steel 3.5 Inch Muffler 21753

Muffler, Quiet-Flow, Round, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21753

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Summit Racing™ Exhaust System Replacement Steel 3 Inch Muffler SUM-638011

Muffler, Replacement, 3.0 in. Center Inlet/Dual 2.25 in. Outlets, Steel, Aluminized, Each

Part Number: SUM-638011

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Stage 8 Locking Header Fastener Kits 6910

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, GM, Jeep, 2.8L, Set of 12

Part Number: STG-6910

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Special Offer

Buy Locking Header Bolts, get half off Collector Bolt Kit!

Estimated Ship Date: Apr 6, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2015-2016 CANYON, COLORADO - 52610

Direct Fit Converter, 2015 Colorado 3.6 Underbody

Part Number: MPE-52610

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

JBA Performance Exhaust Cat4ward Headers 1840S-4

Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, 4.3L, Pair

Part Number: JBA-1840S-4

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

JBA Performance Exhaust Cat4ward Headers 1842S-9

Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, 4.3L, Pair

Part Number: JBA-1842S-9

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

aFe Twisted Steel Turbo Up Pipes 48-34009

Exhaust Turbo Up-Pipe, Stainless Steel, Natural, Chevrolet, GMC, 6.6L, Kit

Part Number: AFE-48-34009

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2009-2012 CANYON, COLORADO, 2008-2010 H3 - 645180

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 51.13 in. Overall Length, Right, Chevrolet, GMC, Hummer, 5.3L, Each

Part Number: APH-645180

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

JBA Performance Exhaust Cat4ward Headers 1842S-2JS

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, GMC, Pickup, Pair

Part Number: JBA-1842S-2JS

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dynomax Tailpipes 53742

Tailpipe, Exhaust, Passenger Side, Stainless Steel, Natural, 2.50 in. O.D., Chevy, GMC, Each

Part Number: WLK-53742

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

aFe Large Bore-HD Exhaust Systems 49-44126-P

Exhaust System, Large Bore-HD, DPF-Back, Split Side Exit, 409 Stainless Steel, 4 in. Pipe, Polished Intercooled Tips, Chevy, GMC, Kit

Part Number: AFE-49-44126-P

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.63 Inch Muffler 18957

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 28.000 in. Overall Length, Cadillac, Chevy, GMC, Each

Part Number: WLK-18957

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Catco Federal/EPA Direct-Fit Catalytic Converters 9973

Catalytic Converter 07-10 8 Cyl. Chevrolet/GMC Silverado/Sierra 2500HD, 6.0L

Part Number: CTO-9973

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Walker Exhaust Intermediate Pipes 54002

Exhaust, Intermediate Pipe, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-54002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Intermediate Pipes 48451

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026

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MBRP XP Series Exhaust Systems for 2009-2012 CANYON, COLORADO - S5074409

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Split Rear Exit, Natural, Polished Tip, Chevy, GMC, 5.3L, Kit

Part Number: MBR-S5074409

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

MBRP XP Series Exhaust Systems for 2014-2018 SIERRA 1500, SILVERADO 1500 - S5084409

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Split Rear Exit, Natural, Polished Tip, Chevy, GMC, Kit

Part Number: MBR-S5084409

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Patriot Full-Length Headers H8054-1

Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, RWD, Big Block, Pair

Part Number: PTE-H8054-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Catco Universal-Fit Catalytic Converters 2566

Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 12.5 in. Length, Each

Part Number: CTO-2566

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

MBRP XP Series Exhaust Systems for 2001-2006 SIERRA 1500 HD, SILVERADO 1500 HD - S5008409

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Split Side Exit, Natural, Polished Tip, Chevy/GMC, Pickup, V8, Kit

Part Number: MBR-S5008409

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

Hedman Specialty and Engine Swap Headers 69713

Headers, Specialty and Engine Swap, Mid-Length, Steel, Black Ceramic Coated, Chevrolet, GMC, Isuzu, Pair

Part Number: HED-69713

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today