Magnaflow · New
BRExhaust 07-11 Chevrolet Silverado / GMC Sierra OE Flange Gasket
MPN 256-1178 · Store SKU mag256-1178
Supplier stock checked 11/7/2026, 10:56:24 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
BRExhaust 07-11 Chevrolet Silverado / GMC Sierra OE Flange Gasket
Manufacturer fitment & guides
Check 256-1178 against the manufacturer’s application information below.
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