2003 GMC SIERRA 1500 HD Exhaust

Exhaust Flange, LS Truck Manifold Steel, 2.5 in. Pipe Diameter, Natural, Pair, GM 5.3 6.0 6.2 LQ4 LQ9 LM7

Part Number: SUM-680500

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: SUM-889505BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Exhaust Manifold Hardware, Black, Steel, Chevrolet, 5.7L, Kit

Part Number: FEL-ES75120

Not Yet Reviewed

Estimated Ship Date: Today

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

Estimated Ship Date: Today

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

Estimated Ship Date: Today

Exhaust Manifold Clamp, Steel, Natural, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-107

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Exhaust Manifold Clamp, Steel, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-142

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: SUM-889505BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Tail Pipe, Max Fit, 2.500 in., Steel, Aluminized, Chevy, GMC, Passenger Side, Each

Part Number: APH-127671

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Oversize $13.99
• Special Order

Tail Pipe, Max Fit, 2.500 in., Steel, Aluminized, Chevy, GMC, Driver Side, Each

Part Number: APH-127670

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Drop Ship
• Oversize $54.99
• Special Order

Exhaust Flange Stud and Nut, Exhaust Flange Bolt Set

Part Number: FEL-ES75106

Not Yet Reviewed

Estimated Ship Date: Today