Walker Mufflers

Brand: Walker | Part #EXH-AC4006

Category: Exhaust > Mufflers

The Walker Mufflers (P/N EXH-AC4006) is a direct-fit Mufflers for the vehicles listed in the fitment section. Aluminized or stainless construction (per listing) for corrosion life that matches or exceeds the OE component being replaced. Sourced from Walker, a recognized supplier in the aftermarket auto parts channel. Part number EXH-AC4006 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2019–2025 BMW, GMC, Mazda including X7, 2 Series, Sierra HD, Sierra, Acadia, CX-90. Use the year/make/model selector above to verify your exact configuration before checkout. Ships from a US warehouse in 1–2 business days. Free shipping on orders $75+, flat-rate ground otherwise. 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: $364.99 | In stock — ships within 1-2 business days. Free shipping.