1966 OLDSMOBILE Exhaust Systems Exhaust Systems & Kits Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Header-Back Dual 2.5 Inch Exhaust System 1965-1972 Buick, 1964-1972 Chevy, 1965-1972 Olds, 1966-1972 Pontiac SUM-680121

Exhaust System, Header-Back, 2.50 inch, Split Rear, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, V8

Part Number: SUM-680121

4.5 out of 5 stars ( 107 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Exhaust, Header-Back, 3 in., Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: SUM-680122-NM

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Exhaust System, Header-Back, 2.25 inch, Split Rear, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, V8

Part Number: SUM-680120

4.45 out of 5 stars ( 20 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Exhaust System, Header-Back, 3.00 inch, Split Rear, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, V8

Part Number: SUM-680122

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Exhaust System, Thrush Header Back, Steel, Aluminized, Chevy/Oldsmobile/Pontiac, V8, Kit

Part Number: WLK-89023

4.13 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Exhaust System, Crossmember Back w/H-Pipe 65-70 B-Body Split Side Dual Exit 2.5 in Int & Tail Pipe Hardware Incl Muffler & Tip Not Incl Pypes Exhaust

Part Number: PYE-SGB40

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026