MagnaFlow Performance Mufflers

Brand: MagnaFlow | Part #EXH-3C77EF

Category: Exhaust > Mufflers

The MagnaFlow Performance Mufflers (P/N EXH-3C77EF) is a direct-fit Mufflers for the vehicles listed in the fitment section. Engineered to maintain backpressure inside the range the engine controller was tuned for — no driveability changes. Sourced from MagnaFlow, a recognized supplier in the aftermarket auto parts channel. Part number EXH-3C77EF is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2017–2025 Infiniti, RAM including QX50, QX55, Q50, 3500, ProMaster City. Use the year/make/model selector above to verify your exact configuration before checkout. Same- or next-business-day handling on in-stock orders. Free US shipping over $75 — no surprise oversized fees on this item. Backed by a 90-day return window — if the part doesn't fit or the wrong unit was shipped, send it back for a full refund.

Price: $400.99 | In stock — ships within 1-2 business days. Free shipping.