2003 CADILLAC Exhaust

Exhaust Clamp; Heavy Duty U-Clamp; Size; 2 in.

Part Number: WLK-35335

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

Exhaust Tip, Round, Clamp-on, Stainless, Polished, 3.0 in. Inlet i.d., 4.0 in. Outlet, 12 .0 in. Length, Rolled Edge, Single Wall, Each

Part Number: WLK-36474

4.6 out of 5 stars ( 62 )

Estimated Ship Date: Today

• $10 Summit Bucks

Exhaust Manifold Bolts, Steel, Zinc Plated, 8mm x 1.25 Thread Size, Cadillac, Chevy, Chrysler, Jeep, Set of 12

Part Number: RNB-03413

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Stud/Nut Type, Stainless Steel, Natural, Buick, Cadillac, Chevy, Ford, GMC, Set of 6

Part Number: RNB-03133HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Exhaust, Ultra Flo Welded, Steel, Aluminized, Chrome Tip, Cadillac, Chevy, GMC, 4.8 5.3L, Kit

Part Number: WLK-19361

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99209HM

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, Each

Part Number: WLK-83482

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Oversize $54.99

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, 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

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Cadilllac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: JBA-1850S-2JS

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Today

• Free Shipping

Exhaust Manifold Studs, Nuts, Front Flange, Buick, Cadillac, Oldsmobile, Chevy, GMC, Set of 6

Part Number: RNB-03133

3.64 out of 5 stars ( 25 )

Estimated Ship Date: Today

Catalytic Converter, Stainless Steel, Cadillac, GMC, 6.0L, Passenger Side, Each

Part Number: MPE-93602

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust Clamp, U-Bolt, Steel, 2.750 in. Diameter, 3/8 in. Thread, Each

Part Number: WLK-35793

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Exhaust Manifold Bolts, Steel, Zinc Plated, Cadillac, Chevy, GMC, Chrysler, Dodge, Isuzu, Jeep, Set of 12

Part Number: RNB-03413B

4.59 out of 5 stars ( 27 )

Estimated Ship Date: Today

Catalytic Converter, Direct Fit, Stainless Case, Ceramic Substrate, Cadillac, Chevy, GMC, Each

Part Number: FLO-2010019

4.63 out of 5 stars ( 79 )

Estimated Ship Date: Today

• Free Shipping

Catalytic Converter, Direct-Fit, Stainless Steel, Chevy, GMC, 4.8, 5.3L, Each

Part Number: WLK-50511

4.39 out of 5 stars ( 28 )

Estimated Ship Date: Today

• Oversize $54.99

Muffler, Salute, Oval, 3.000 in. Inlet/Two 2.500 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2198

4.78 out of 5 stars ( 9 )

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

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51204

4.33 out of 5 stars ( 3 )

Estimated Ship Date: May 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HED-69723

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Headers, Shorty, Steel, Ceramic Coated, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91836-1FLT

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust System, Cat-Back, Stainless Steel, Polished Stainless Tip, Cadillac, Chevy, GMC, 4.8, 5.3L, Kit

Part Number: MPE-15666

4.29 out of 5 stars ( 7 )

Estimated Ship Date: May 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: May 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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 Clamps, Extra Heavy-Duty U-Clamps, U-bolt Clamp Style, 0.500 in. Clamp Width, 2.750 in. Pipe Diameter, Steel, BMW, Chevy, Chrysler, Ford, Each

Part Number: APH-H234

Not Yet Reviewed

Estimated Ship Date: Today