Gibson · New
Gibson SFT Superflow Offset/Offset Round Muffler - 8x24in/3in Inlet/3in Outlet - Stainless
MPN 421887 · Store SKU gib421887
Supplier stock checked 11/7/2026, 7:52:37 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
Gibson SFT Muffler delivers the powerful 'big block' sound at the tailpipe with more usable pulling power and torque! The Gibson difference is that our mufflers are quieter inside the cab than any other aftermarket muffler. Featuring a baffled and chambered Muffler (not packed or screened, nothing to blow out)for better volume efficiency with unrestricted flow. All welded construction. SFT Superflow Offset/Offset Round Muffler; Stainless SFT Superflow Round>Offset/Offset
Manufacturer fitment & guides
Check 421887 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
