ATP Heavy-Duty Exhaust Manifolds

Brand: ATP | Part #EXH-3456FF

Category: Exhaust > Exhaust Manifolds

The ATP Heavy-Duty Exhaust Manifolds (P/N EXH-3456FF) is a direct-fit Exhaust Manifolds for the vehicles listed in the fitment section. Flange geometry, hanger locations, and pipe ID match the factory routing so it bolts up without fabrication. Sourced from ATP, a recognized supplier in the aftermarket auto parts channel. Part number EXH-3456FF is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2013–2016 GMC, Infiniti including Acadia, QX50, QX80, QX60. Use the year/make/model selector above to verify your exact configuration before checkout. In-stock items leave the warehouse within one business day. Free shipping over $75; ground delivery is 3–7 business days nationwide. 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: $387.99 | In stock — ships within 1-2 business days. Free shipping.

Vehicle Compatibility

Compatible Makes: GMC, Infiniti

Compatible Models: Acadia, QX50, QX80, QX60

Year Range: 2013–2016