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Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 1
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 1
Direct-fit catalytic converter
Direct-fit catalytic converter
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 2
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 2
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 3
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 3
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 4
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 4
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 5
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 5
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 1
Direct-fit catalytic converter
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 2
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 3
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 4
Davico Mfg Catalytic Converter-Direct Fit P/N:173299 Fits: Buick Regal 00-97, Chevrolet Impala 2000, Chevrolet Monte Carlo 2000, Oldsmobile Intrigue 1999, Pontiac Grand Prix 00-97, Pontiac Grand Prix 2003 Image 5

Davico Catalytic Converter-Direct Fit P/N:173299

1997 - 2003 Buick Regal Replacement Catalytic Converter-Direct Fit

$854.39 $939.95 /
Subscription -
  • CARB compliant; Legal for use in states that require CARB exempt catalytic converters
  • Exact fit for a fast and straightforward install
  • Fits Buick Regal model years 1997-2000, Chevrolet Impala and Chevrolet Monte Carlo model year 2000, Oldsmobile Intrigue model year 1999, and Pontiac Grand Prix model years 1997-2000 and 2003
  • Manufactured in the USA
  • 5-year/50k-mile defect and 25k-mile emissions warranty (requires proper vehicle tuning and maintenance).
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This product is CARB Compliant. Please check your fitment before purchasing.

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Premium Quality

Resolve Check Engine Codes

Install Without Guesswork

We stock direct-fit converters that match factory specs - all flanges, brackets, and sensor ports line up. No cutting, welding, or modifying.

Pass Emissions and Resolve Codes

High-quality catalysts and washes resolve error codes and pass strict emissions test standards.

Built to Last

High-grade catalysts and premium wash coatings for optimal performance and longevity.

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