HomeExhaust > MufflersWalker 18801 Exhaust Muffler - Left
Part #: 18801

Walker 18801 Exhaust Muffler - Left

SoundFX Direct Fit, Left
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦SoundFX Direct Fit, Left
🚗Fitment: Pontiac, Grand Prix
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker SoundFX Direct Fit Exhaust Muffler 18801

The Walker SoundFX Direct Fit Exhaust Muffler 18801 is designed specifically for Pontiac Grand Prix models, providing a precise fit and reliable exhaust performance. This oval-shaped muffler features a durable aluminized steel body that balances corrosion resistance with structural strength.

  • Specific fit for Pontiac Grand Prix
  • Oval body shape with 9-inch width and 7-inch height
  • Aluminized steel construction for durability
  • Inlet diameter: 1.875 inches; outlet diameter: 2.25 inches
  • Offset inlet and outlet pipe connections for direct fit installation
  • Overall length of 17.25 inches with a 14-inch body length
  • Combination muffler type for balanced sound and performance

Detailed Product Description

The Walker SoundFX Direct Fit 18801 exhaust muffler is engineered to match the original equipment specifications for the Pontiac Grand Prix. Its oval shape and specific dimensions—9 inches wide, 7 inches high, and 14 inches in body length—ensure a seamless replacement without modification. The aluminized steel body offers resistance to rust and corrosion, extending the muffler's service life under typical driving conditions.

This muffler features a single inlet and outlet, both with pipe connection types and offset configurations (1.625 inches offset), facilitating straightforward installation in the exhaust system. The inlet inside diameter measures 1.875 inches, while the outlet inside diameter is 2.25 inches, supporting proper exhaust flow and noise reduction. As a combination muffler, it balances sound attenuation with exhaust efficiency, suitable for maintaining factory sound levels.

Walker SoundFX Direct Fit Product Line

The SoundFX Direct Fit line by Walker focuses on providing mufflers that are designed for specific vehicle applications, ensuring direct replacement without the need for additional modifications. This product line emphasizes precise fitment and sound quality, making it a practical choice for Pontiac Grand Prix owners seeking a reliable exhaust muffler replacement that aligns with original equipment standards.

Common Applications and Problem Solving

  • Replacement for damaged or rusted mufflers on Pontiac Grand Prix
  • Restores proper exhaust flow and reduces excessive noise
  • Addresses exhaust leaks caused by worn or cracked mufflers
  • Helps maintain emissions compliance by ensuring exhaust system integrity
  • Improves overall vehicle performance by optimizing exhaust backpressure

Installation Notes and Tips

This Walker SoundFX Direct Fit muffler is designed for direct fit installation on Pontiac Grand Prix models, matching original inlet and outlet pipe sizes and offset configurations. Ensure the exhaust system is cool before installation and verify all connections are secure to prevent leaks. Professional installation is recommended for best results, especially when dealing with rusted or corroded exhaust components.

Quality Assurance and Warranty

Constructed from aluminized steel, the Walker 18801 muffler offers durability against corrosion and wear. While specific warranty details are not provided, Walker products typically meet industry standards for quality and reliability. For additional warranty information, consult the manufacturer or authorized distributor.

BrandWalker
Part Number18801
PositionSoundFX Direct Fit, Left
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter1.875
Body Width9
Inlet Quantity1
Outlet Inside Diameter2.25
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length17.25
Body Height7
Body Length14
Body MaterialSteel
FinishAluminized
Inlet 1 Inside Diameter1.875
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset1.625
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Inside Diameter2.25
Outlet 1 TypePipe connection
Outlet ConfigurationOffset
Outlet TypePipe connection

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002PontiacGrand Prix3.8LV6Leftwith Dual Exhaust; If welded assembly, replace all required parts; SoundFX Direct Fit
2001PontiacGrand Prix3.8LV6Leftwith Dual Exhaust; If welded assembly, replace all required parts; SoundFX Direct Fit
2000PontiacGrand Prix3.8LV6Leftwith Dual Exhaust; If welded assembly, replace all required parts; SoundFX Direct Fit
1999PontiacGrand Prix3.8LV6Leftwith Dual Exhaust; If welded assembly, replace all required parts; SoundFX Direct Fit
1998PontiacGrand Prix3.8LV6Leftwith Dual Exhaust; If welded assembly, replace all required parts; SoundFX Direct Fit
1997PontiacGrand Prix3.8LV6Leftwith Dual Exhaust; If welded assembly, replace all required parts; SoundFX Direct Fit

* 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:

700300

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