Dynomax
Super Turbo Direct Fit

Dynomax 17667 Exhaust Muffler - Left

Brand Dynomax 17667
Position Left
Outlet Outside Diameter 2.5
Universal Or Specific Fit Specific
Shape Oval
Grade Type Performance
Inlet Inside Diameter 2.25
Body Width 9.75
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 21.25
Automotive Item Grade High performance part
Body Height 4.25
Body Height 4.250 in.
Body Length 14
Body Length 14.000 in.
Body Material Steel
Body Width 9.750 in.
Finish Aluminized
Fitment Direct oe replacement
Flow Director Yes
Inlet 1 Inside Diameter 2.25
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Connection Type Pipe
Inlet Diameter Designation Inside diameter
Inlet Inside Diameter 2.250 in.
Inlet Offset 2.875
Inlet Position Center
Inlet Quantity 1
Product line Super Turbo Direct Fit
Fits Chevrolet and Pontiac · 27 vehicles

Direct OE replacement. Specific fit muffler with bolt-on installation and no modifications needed.

Patented flow director. Channels exhaust flow to reduce turbulence and backpressure.

Fiberglass matting. Absorbs interior resonance while keeping a mellow performance tone.

$112.18Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $112.18
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dynomax Super Turbo Direct Fit Muffler

Dynomax Super Turbo Direct Fit part number 17667 is a performance exhaust muffler built for specific vehicle applications. It uses a flow director design and large internal flow tubes to support smoother exhaust movement while fiberglass matting helps control interior resonance for a mellow performance tone.

Compatible With 1997-2005 Pontiac Grand Prix, left; 2000-2005 Chevrolet Monte Carlo, left; and 2004-2005 Chevrolet Impala, left. This direct OE replacement is shaped as an oval aluminized steel muffler with a 2.25-inch inlet and 2.5-inch outlet.

Key Features

  • Dynomax Super Turbo Direct Fit performance muffler, part number 17667
  • Specific fitment for left-side applications on listed vehicles
  • Oval muffler body with aluminized steel construction
  • Patented flow director design helps channel exhaust flow and reduce turbulence
  • Large internal flow tubes support exhaust flow and lower backpressure
  • Fiberglass matting technology helps reduce unwanted interior resonance
  • Mellow performance tone for street-driven use
  • 2.25-inch inlet, 2.5-inch outlet, single center inlet configuration

Product Details

The Dynomax Super Turbo Direct Fit muffler is part of the Super Turbo Direct Fit line, which focuses on OE-style replacement fitment with performance-oriented exhaust flow characteristics. For Pontiac Grand Prix, Chevrolet Monte Carlo, and Chevrolet Impala applications, part number 17667 is engineered around the listed dimensions and inlet/outlet configuration to match the specified left-side position. The aluminized steel body and oval profile provide a practical replacement solution for drivers looking to restore exhaust function while maintaining a controlled exhaust note.

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

Common Issues This Muffler Can Address

  • Excessive exhaust noise from a worn or damaged muffler
  • Restricted exhaust flow caused by internal muffler deterioration
  • Backpressure concerns related to an aging exhaust component
  • Interior drone or resonance from a failing factory-style muffler
  • Need for a direct replacement on the specified left-side application

Installation Notes and Tips

Verify inlet and outlet diameters, overall length, body dimensions, and left-side fitment before installation. This muffler is not reversible and uses a specific inlet configuration, so matching the vehicle’s exhaust routing is important. Confirm the application against the vehicle year, make, model, and position listed for your Grand Prix, Monte Carlo, or Impala before beginning the repair.

Quality Assurance

Dynomax designs the Super Turbo line around controlled exhaust flow, reduced turbulence, and resonance management for consistent replacement performance. Part number 17667 is built as a direct-fit exhaust muffler for the confirmed applications listed above.

This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2005ChevroletImpalaSS3.8LV6LeftSuper Turbo Direct Fit
2005ChevroletMonte CarloSS3.8LV6LeftSuper Turbo Direct Fit
2005PontiacGrand Prix5.3LV8LeftSuper Turbo Direct Fit
2005PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
2004ChevroletImpalaSS3.8LV6LeftSuper Turbo Direct Fit
2004ChevroletMonte Carlo3.8LV6LeftSuper Turbo Direct Fit
2004PontiacGrand PrixGT13.8LV6LeftSuper Turbo Direct Fit
2004PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
2004PontiacGrand PrixGT23.8LV6LeftSuper Turbo Direct Fit
2003ChevroletMonte Carlo3.8LV6LeftSuper Turbo Direct Fit
2003PontiacGrand PrixGT3.8LV6LeftSuper Turbo Direct Fit
2003PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
2002ChevroletMonte Carlo3.8LV6LeftSuper Turbo Direct Fit
2002PontiacGrand PrixGT3.8LV6LeftSuper Turbo Direct Fit
2002PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
2001ChevroletMonte Carlo3.8LV6LeftSuper Turbo Direct Fit
2001PontiacGrand PrixGT3.8LV6LeftSuper Turbo Direct Fit
2001PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
2000ChevroletMonte Carlo3.8LV6LeftSuper Turbo Direct Fit
2000PontiacGrand PrixGT3.8LV6LeftSuper Turbo Direct Fit
2000PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
1999PontiacGrand PrixGT3.8LV6LeftSuper Turbo Direct Fit
1999PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
1998PontiacGrand PrixGT3.8LV6LeftSuper Turbo Direct Fit
1998PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit
1997PontiacGrand PrixGT3.8LV6LeftSuper Turbo Direct Fit
1997PontiacGrand PrixGTP3.8LV6LeftSuper Turbo Direct Fit