HomeAP Exhaust 700319 Exhaust Muffler - Front
Part #: 700319

AP Exhaust 700319 Exhaust Muffler - Front

Front
14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Pontiac, LeSabre, Park Avenue, and Bonneville
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AP Exhaust 700319 Exhaust Muffler Overview

The AP Exhaust 700319 exhaust muffler is designed for reliable performance and durability in select Buick and Pontiac models. Engineered with aluminized steel and a baffled muffler type, this part offers OE comparable sound levels and a precise fit for vehicles like the Buick LeSabre, Park Avenue, and Pontiac Bonneville.

  • Body diameter: 5 inches
  • Body length: 17.75 inches
  • Constructed from aluminized steel for corrosion resistance
  • Baffled muffler design for controlled sound reduction
  • Inlet and outlet pipe diameters: 2.59 inches (inlet), 2.25 inches (outlet)
  • Center inlet and outlet locations with single pipe configuration
  • Overall length: 28 inches
  • Round shape with regular grade type
  • OE comparable sound level, non-tunable

Detailed Product Description

The AP Exhaust 700319 muffler is crafted to meet the specific exhaust requirements of Buick and Pontiac full-size sedans, including the Bonneville, LeSabre, and Park Avenue. Its aluminized steel body provides enhanced resistance to rust and corrosion, extending the service life of the muffler under typical driving conditions. The baffled design helps reduce exhaust noise to levels comparable to original equipment, maintaining a quiet and comfortable ride. With a 5-inch body diameter and 17.75-inch body length, this round muffler fits precisely within the exhaust system layout of the compatible vehicles. The center inlet and outlet pipes, measuring 2.59 inches and 2.25 inches respectively, ensure proper exhaust flow and fitment. The overall length of 28 inches allows for straightforward installation without modification.

Compatible Vehicles and Applications

  • Buick LeSabre
  • Buick Park Avenue
  • Pontiac Bonneville

This muffler is intended for use in exhaust system repairs or replacements where maintaining factory sound levels and fitment is important. It is suitable for addressing issues such as excessive exhaust noise, rusted or damaged mufflers, and exhaust leaks.

Common Issues Addressed by AP Exhaust 700319

  • Excessive exhaust noise due to muffler wear or damage
  • Corrosion and rust compromising muffler integrity
  • Exhaust leaks causing performance and emission concerns
  • Fitment problems with aftermarket mufflers not designed for specific Buick or Pontiac models
  • Replacement of original muffler to restore factory sound and performance

Installation Notes and Tips

Installation of the AP Exhaust 700319 muffler requires standard exhaust system tools and moderate mechanical experience. Ensure the vehicle is securely lifted and cooled before beginning work. Verify inlet and outlet pipe diameters and locations match the existing exhaust system. This muffler features a center inlet and outlet pipe configuration, so alignment is critical for proper sealing and fit. No heat shield is attached, so check for adequate clearance from heat-sensitive components. It is recommended to inspect and replace exhaust clamps or hangers as needed during installation.

Quality Assurance and Warranty

AP Exhaust manufactures this muffler to meet regular grade standards with materials selected for durability and corrosion resistance. While specific warranty details are not provided, AP Exhaust products typically adhere to industry quality controls to ensure reliable performance. For best results, use this muffler as a direct replacement part for compatible Buick and Pontiac models to maintain factory exhaust system integrity.

BrandAP Exhaust
Part Number700319
Body Diameter5
Body Length17.75
Body MaterialAluminized Steel
Grade TypeRegular
Heat Shield AttachedNo
Inlet Inside Diameter2.59
Inlet LocationCenter
Inlet TypePipe
Muffler ConfigurationC/CR
Muffler TypeBaffled
Outlet Inside Diameter2.25
Outlet LocationCenter
Outlet TypePipe
Overall Length28
SeriesMSL
ShapeRound
Sound LevelOE comparable
TunableNo

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickLeSabre3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (03-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.; Single Exhaust
2005BuickPark Avenue3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (04-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.
2005PontiacBonneville3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (03-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.; Single Exhaust
2004BuickLeSabre3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (03-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.; Single Exhaust
2004BuickPark Avenue3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (04-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.
2004PontiacBonneville3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (03-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.; Single Exhaust
2003BuickLeSabre3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (03-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.; Single Exhaust
2003PontiacBonneville3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (03-05); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; Cut O.E. extension pipe as necessary for installation.; Single Exhaust
2002BuickLeSabre3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (01-02); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; The O.E. extension pipe must be cut off 9" behind the pipe to converter weld.; Single Exhaust
2002PontiacBonneville3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (01-02); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; The O.E. extension pipe must be cut off 9" behind the pipe to converter weld.; Single Exhaust
2001BuickLeSabre3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (01-02); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; The O.E. extension pipe must be cut off 9" behind the pipe to converter weld.; Single Exhaust
2001PontiacBonneville3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (01-02); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; The O.E. extension pipe must be cut off 9" behind the pipe to converter weld.; Single Exhaust
2000BuickLeSabre3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (2000); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; The O.E. extension pipe must be cut off 4" behind the pipe to converter weld.; Single Exhaust
2000PontiacBonneville3.8LV6FrontDIRECT FIT MSL/MAXIMUM Muffler; (2000); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; The O.E. extension pipe must be cut off 4" behind the pipe to converter weld.; Single Exhaust

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.