AP Exhaust 88120 Exhaust Pipe - Center or Rear

Brand AP Exhaust 88120
Position Center and Rear
Material Aluminized steel
Original Equipment Replacement Yes
Fits Buick, Oldsmobile, and Pontiac · 26 vehicles

OE replacement. Direct-fit exhaust pipe for straightforward installation.

Aluminized steel. Helps resist corrosion for longer service life.

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OE Replacement Exhaust Pipe for GM Full-Size Sedans

AP Exhaust 88120 is an aluminized steel exhaust pipe built as an original equipment replacement for select Buick, Oldsmobile, and Pontiac applications. It is listed for center and rear positions across 1994-1999 Buick LeSabre, Oldsmobile 88, Oldsmobile LSS, Oldsmobile Regency, Oldsmobile 98, and Pontiac Bonneville fitments.

Key Features

  • Aluminized steel construction for exhaust system service and replacement
  • Original equipment replacement part for factory-style fitment
  • Fits center and rear exhaust positions, depending on application
  • AP Exhaust 88120 for select 1994-1999 GM sedans
  • Long-tail fitment coverage for Buick LeSabre exhaust pipe replacement and Oldsmobile 88 exhaust pipe replacement

Detailed Description

AP Exhaust 88120 is an OE replacement exhaust pipe for vehicles that used a welded factory exhaust assembly. For 1994-1999 Buick LeSabre and Oldsmobile 88 applications, as well as 1996-1999 Oldsmobile LSS, 1997-1998 Oldsmobile Regency, and 1995-1996 Oldsmobile 98, the pipe is listed for center position service. For 1994-1999 Pontiac Bonneville, it is listed for rear position service. This part number is also a direct search match for AP Exhaust 88120 when sourcing a replacement exhaust pipe for these GM platforms.

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

What It Helps Address

  • Replacement for a rusted or corroded exhaust pipe section
  • Service for a damaged welded factory exhaust assembly
  • Repair of exhaust leaks at the pipe section
  • Restoration of proper exhaust routing on Buick LeSabre, Oldsmobile 88, and Pontiac Bonneville models
  • Replacement of a failed OE-style center or rear exhaust pipe

Installation Notes and Tips

Fitment notes specify that the OE system was a welded assembly and recommend replacing all noted parts when servicing the system. The OE extension pipe must be cut off 1 3/8" behind the pipe-to-converter weld. Verify the vehicle position and application before installation, since AP Exhaust 88120 is listed for both center and rear locations depending on model.

Quality Assurance

AP Exhaust 88120 is built as an original equipment replacement exhaust pipe using aluminized steel for service on select 1994-1999 Buick, Oldsmobile, and Pontiac vehicles.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1999BuickLeSabre—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1999Oldsmobile88—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1999OldsmobileLSS—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1999PontiacBonnevilleSE3.8LV6RearOE 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 1 3/8" behind the pipe to converter weld.
1998BuickLeSabre—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1998Oldsmobile88—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1998OldsmobileLSS—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1998OldsmobileRegency—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1998PontiacBonnevilleSE3.8LV6RearOE 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 1 3/8" behind the pipe to converter weld.
1997BuickLeSabre—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1997Oldsmobile88—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1997OldsmobileLSS—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1997OldsmobileRegency—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1997PontiacBonnevilleSE3.8LV6RearOE 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 1 3/8" behind the pipe to converter weld.
1996BuickLeSabre—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1996Oldsmobile88—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1996Oldsmobile98—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1996OldsmobileLSS—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1996PontiacBonnevilleSE3.8LV6RearOE 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 1 3/8" behind the pipe to converter weld.
1995BuickLeSabre—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1995Oldsmobile88—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1995Oldsmobile98—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1995PontiacBonnevilleSE3.8LV6RearOE 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 1 3/8" behind the pipe to converter weld.
1994BuickLeSabre—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1994Oldsmobile88—3.8LV6CenterOE 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 1 3/8" behind the pipe to converter weld.
1994PontiacBonneville—3.8LV6RearOE 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 1 3/8" behind the pipe to converter weld.