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Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 1
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 1
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 2
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 2
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 3
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 3
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 4
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 4
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 5
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 5
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 1
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 2
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 3
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 4
Davico Mfg Catalytic Converter P/N:18558 Fits: Audi A3 18-17, Audi A3 Quattro 18-15, Audi S3 18-15, Volkswagen Gti 21-15, Volkswagen Jetta 23-19 Image 5

Davico Catalytic Converter P/N:18558

$458.61 $529.50 /
Subscription -
  • High-quality catalysts resolve codes and pass emissions tests
  • Designed for a quick and straightforward install
  • Fits Audi A3 models from 2017 to 2018, Audi A3 Quattro and Audi S3 models from 2015 to 2018, Volkswagen GTI models from 2015 to 2021, and Volkswagen Jetta models from 2019 to 2023
  • Manufactured in the USA
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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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