Magnaflow · New
BRExhaust 00-05 Buick LeSabre/Park Avenue 3.8L Muffler
MPN 100-5438 · Store SKU mag100-5438
Supplier stock checked 11/8/2026, 5:33:40 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 00-05 Buick LeSabre/Park Avenue 3.8L Muffler
Manufacturer fitment & guides
Check 100-5438 against the manufacturer’s application information below.
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