AP Exhaust 7450 Exhaust Muffler Assembly
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AP Exhaust

AP Exhaust 7450 Exhaust Muffler Assembly

Brand AP Exhaust 7450
Muffler Material Aluminized Steel
Fits Nissan and INFINITI · 7 vehicles

Aluminized steel. Resists corrosion for dependable exhaust performance.

Muffler assembly. Complete exhaust muffler assembly for straightforward replacement.

$138.11Free shipping
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AP Exhaust 7450 Muffler Assembly

AP Exhaust 7450 is an exhaust muffler assembly built with aluminized steel for 2001-2004 Nissan Pathfinder and 2001-2003 INFINITI QX4 applications. It is a direct-fit replacement for vehicles with a welded OE exhaust system, making it a practical choice when restoring exhaust function on these platforms.

Key Features

  • Aluminized steel muffler material for corrosion resistance in everyday driving conditions
  • Exhaust muffler assembly for rear exhaust service on the listed applications
  • Fits 2001-2004 Nissan Pathfinder, N/A
  • Fits 2001-2003 INFINITI QX4, N/A
  • AP Exhaust part number 7450 for application-specific lookup and ordering

Product Details

This AP Exhaust 7450 muffler assembly is built for vehicles that left the factory with a welded exhaust system. The aluminized steel construction is selected for durability in exhaust service, where heat and road exposure are constant factors. For owners searching for a 2001-2004 Nissan Pathfinder muffler assembly or a 2001-2003 INFINITI QX4 exhaust muffler replacement, this part provides a direct application match for the listed vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Exhaust Issues It Can Address

  • Rust or corrosion in the muffler body
  • Exhaust leaks from a deteriorated welded assembly
  • Excessive exhaust noise from a failed muffler
  • Restricted exhaust flow caused by internal damage
  • Replacement needs after factory welded exhaust service

Installation Notes

Compatible With welded OE exhaust systems on the listed Pathfinder and QX4 applications. Because the original system was welded, AP Exhaust recommends replacing all noted parts during service. Verify vehicle year and model before installation, and confirm the existing exhaust layout matches the listed application.

Quality Assurance

AP Exhaust manufactures exhaust components for application-specific replacement service. Part number 7450 uses aluminized steel construction to support long-term exhaust system repair on the confirmed fitments.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004NissanPathfinder3.5LV6N/AWelded Assembly; OE system was a welded assembly, recommend replacing all noted parts [1].
2003INFINITIQX43.5LV6N/AWelded Assembly; OE system was a welded assembly, recommend replacing all noted parts [1].
2003NissanPathfinder3.5LV6N/AWelded Assembly; OE system was a welded assembly, recommend replacing all noted parts [1].
2002INFINITIQX43.5LV6N/AWelded Assembly; OE system was a welded assembly, recommend replacing all noted parts [1].
2002NissanPathfinder3.5LV6N/AWelded Assembly; OE system was a welded assembly, recommend replacing all noted parts [1].
2001INFINITIQX43.5LV6N/AWelded Assembly; OE system was a welded assembly, recommend replacing all noted parts [1].
2001NissanPathfinder3.5LV6N/AWelded Assembly; OE system was a welded assembly, recommend replacing all noted parts [1].