AP Exhaust 700437 Exhaust Muffler

Brand AP Exhaust 700437
Body Height 7
Body Length 14
Body Material Aluminized Steel
Body Width 9
Grade Type Regular
Heat Shield Attached No
Inlet Inside Diameter 1.88
Inlet Location Center Lower
Inlet Type Pipe
Muffler Configuration B
Muffler Type Baffled
Outlet Location Left Upper
Outlet Outside Diameter 2
Outlet Type Spout
Overall Length 28.25
Series MSL
Shape Oval
Sound Level OE comparable
Tunable No
Fits Honda · 30 vehicles

Baffled design. Helps control exhaust flow and sound for an OE-comparable tone.

Aluminized steel body. Resists corrosion while keeping the muffler durable in service.

Oval shape. A compact muffler form with a regular-grade build.

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AP Exhaust 700437 Muffler for Honda Civic

AP Exhaust 700437 is a baffled oval muffler built with aluminized steel for OE-comparable sound control and a direct-fit layout on select 2001-2005 Honda Civic applications. This AP Exhaust muffler uses a center lower pipe inlet and a left upper spout outlet to match the factory exhaust routing on the listed Civic fitment.

Key Features

  • Part number: 700437
  • Series: MSL
  • Oval muffler body with baffled internal design
  • Aluminized steel body material
  • OE-comparable sound level
  • 1.88 in. inlet inside diameter, pipe inlet
  • 2 in. outlet outside diameter, spout outlet
  • Center lower inlet location and left upper outlet location
  • Direct-fit replacement for select Honda Civic models

Product Details

Built for 2001-2005 Honda Civic exhaust service, this AP Exhaust 700437 muffler measures 14 in. long, 9 in. wide, and 7 in. high, with an overall length of 28.25 in. The oval body and baffled configuration are intended to maintain factory-style exhaust tone while supporting a clean replacement for welded OE systems. If you are searching for a Honda Civic muffler replacement, AP Exhaust 700437 provides the dimensions and outlet/inlet layout needed for the listed application.

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

Common Repair Uses

  • Replacing a rusted or damaged Honda Civic muffler
  • Restoring OE-style exhaust sound on 2001-2005 Honda Civic models
  • Addressing exhaust leaks at the muffler body or connections
  • Replacing a welded factory muffler assembly with a direct-fit unit
  • Correcting exhaust noise caused by internal muffler wear

Installation Notes

Compatible With 2001-2005 Honda Civic, N/A. The OE system was a welded assembly, and the fitment notes recommend replacing all parts identified in the original system. Verify inlet and outlet orientation, body dimensions, and exhaust routing before installation. Professional exhaust installation is recommended for welded-system replacement work.

Quality Assurance

AP Exhaust manufactures replacement exhaust components for direct-fit service applications. Part number 700437 is built as a regular-grade muffler in the MSL series for the listed Honda Civic fitment.

This part fits 30 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2005HondaCivicEX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2005HondaCivicGX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2005HondaCivicHX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2005HondaCivicDX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2005HondaCivicLX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2005HondaCivicValue Package1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2005HondaCivicHybrid1.3LL4ELECTRIC/GASN/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004HondaCivicEX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004HondaCivicGX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004HondaCivicHX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004HondaCivicLX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004HondaCivicDX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004HondaCivicValue Package1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004HondaCivicHybrid1.3LL4ELECTRIC/GASN/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2003HondaCivicGX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2003HondaCivicHX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2003HondaCivicEX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2003HondaCivicDX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2003HondaCivicLX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2003HondaCivicHybrid1.3LL4ELECTRIC/GASN/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2002HondaCivicEX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2002HondaCivicGX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2002HondaCivicHX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2002HondaCivicLX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2002HondaCivicDX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2001HondaCivicGX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2001HondaCivicHX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2001HondaCivicEX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2001HondaCivicDX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2001HondaCivicLX1.7LL4N/ADIRECT FIT MSL/MAXIMUM Muffler; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.