Availability
Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair
Part Number: AMH-S00260
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, G-Body, Olds Big Block, 1978-87, Pair
Part Number: AMH-S00599
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Chevy, Pontiac, 5.3L, Each
Part Number: MPE-4561221
Not Yet Reviewed
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.625 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair
Part Number: AMH-S00259
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.8L, Each
Part Number: MPE-5461227
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Dec 5, 2025 if ordered today
Converter-CalCat-Direct Fit
Part Number: WLK-84596
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair
Part Number: AMH-S00258
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Pontiac, SBC, Pair
Part Number: AMH-S00007
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.625 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Pontiac, SBC, Pair
Part Number: AMH-S00008
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Pontiac, SBC, Pair
Part Number: AMH-S00009
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Pontiac, 3.8L, Each
Part Number: MPE-4561227
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 12/31/2025
Estimated Ship Date: Dec 5, 2025 if ordered today
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