Audi 100 Series Catalytic Converter

EASTERN CATALYTIC CONVERTER -- 49-state legal, OBDII; Not for sale or use in California; Cannot be shipped to California addresses; 3-way catalyst style; 2 in. inlet; 2 in. outlet; Single inlet and outlet configuration; 5 in. x 5 in. x 8 in. body, 12 in. overall length; 4,250 lb. GVW; Without air tube provision and oxygen sensor port; Ceramic honeycomb catalyst substrate; Round body; 409 stainless steel casing; Constructed using Eastern's proprietary NANO technology chemistry that yields highly efficient loadings for lower cost and better converter efficiency; Features high flow design that maximizes engine output and catalytic efficiency; Non-directional and can be installed either way; Modification of the exhaust may be required; With Eastern's 5-year or 50,000-mile warranty.

Fits the following 1975-1977 Audi 100 Series submodels:

• 1975-1977: LS; 4 Cyl 1.9L;

EASTERN DIRECT FIT CATALYTIC CONVERTER -- 49-state legal, OBDII, not for sale or use in California; Cannot be shipped to California addresses; 3-way catalyst style; 3-bolt welded type inlet; 3-bolt welded type outlet; Single inlet and outlet configuration; 12 in. overall length; Standard converter type; Ceramic honeycomb catalyst substrate; Round metal casing; Built to exact OE dimensions with OE quality flanges and flex assemblies; Features Eastern's proprietary catalytic chemistry and high flow design that maximizes engine output and catalytic efficiency; Easy installation; No welding and cutting required; With Eastern's 5-year or 50,000-mile warranty.

Fits the following 1975-1977 Audi 100 Series submodels:

• 1975-1977: LS; 4 Cyl 1.9L;

CATCO DIRECT FIT CATALYTIC CONVERTER -- 49-state legal, OBDII, not legal for sale or use in California; Cannot be shipped to California addresses; 3-bolt flange welded inlet; 3-bolt flange with flat flare outlet; Single inlet and outlet configuration; 11.5 in. overall length; Includes heat shield and necessary gasket for a complete installation; Ceramic monolith catalyst substrate; Oval stainless steel casing; Designed with 409 stainless steel pipes and shell for longer life; With Catco's 5-year or 50,000-mile warranty on converter body and 25,000-mile warranty on emissions.

Fits the following 1975-1977 Audi 100 Series submodels:

• 1975-1977: LS; 4 Cyl 1.9L;

MAGNAFLOW 53100 SERIES CATALYTIC CONVERTER -- 49-state legal, OBDII, EPA compliant, not for sale or use in California; Cannot be shipped to California addresses; 3-way catalyst style; 2 in. inlet and outlet; Single center inlet and outlet configuration; 8 in. body length, 5.125 in. width, 4 in. thick, 12 in. overall length; 4,250 lb. GVW; Includes stainless steel heat shield; Ceramic honeycomb catalyst substrate; Round stainless steel casing; A converter specially designed with shorter body length for use where space is limited; The main benefit of this catalytic converter is that one unit may cover a wide variety of vehicle makes and models; Installing this converter often requires the use of welding, cutting, and tube bending equipment that is readily available to most professional installers; With Magnaflow's limited warranty.

Fits the following 1975-1977 Audi 100 Series submodels:

• 1975-1975: LS; 4 Cyl 1.9L; "GAS, FI, YA, Naturally Aspirated"
• 1975-1975: LS; 4 Cyl 1.9L; "GAS, FI, YB, Naturally Aspirated"

• 1975-1977: LS; 4 Cyl 1.9L; "GAS, FI, YC, Naturally Aspirated"

• 1975-1977: LS; 4 Cyl 1.9L; "GAS, FI, YD, Naturally Aspirated"

Fits 2 more submodels. (Show all) Show less info

MAGNAFLOW DIRECT-FIT CATALYTIC CONVERTER -- Flange Inlet And Outlet, Designed To Exact Original Equipment Specifications, Easy Bolt-On Installation, 49-State OBDII Legal, For Pre-OBDII Only When Used On California-Registered Vehicles, With Magnaflow's Limited Warranty

Fits the following 1975-1977 Audi 100 Series submodels:

• 1975-1975: LS; 4 Cyl 1.9L; "GAS, FI, YA, Naturally Aspirated"
• 1975-1975: LS; 4 Cyl 1.9L; "GAS, FI, YB, Naturally Aspirated"

• 1975-1977: LS; 4 Cyl 1.9L; "GAS, FI, YC, Naturally Aspirated"

• 1975-1977: LS; 4 Cyl 1.9L; "GAS, FI, YD, Naturally Aspirated"

Fits 2 more submodels. (Show all) Show less info

MAGNAFLOW DIRECT-FIT CATALYTIC CONVERTER -- 2 in. 45-Degree Flare Welded Flange Inlet, 2 in. 45-Degree Flare Welded Flange Outlet, 11.625 in. Overall Length, Designed To Exact Original Equipment Specifications, Easy Bolt-On Installation, 49-State OBDII Legal, For Pre-OBDII Only When Used On California-Registered Vehicles, With Magnaflow's Limited Warranty

Fits the following 1975-1977 Audi 100 Series submodels:

• 1975-1975: LS; 4 Cyl 1.9L; "GAS, FI, YA, Naturally Aspirated"
• 1975-1975: LS; 4 Cyl 1.9L; "GAS, FI, YB, Naturally Aspirated"

• 1975-1977: LS; 4 Cyl 1.9L; "GAS, FI, YC, Naturally Aspirated"

• 1975-1977: LS; 4 Cyl 1.9L; "GAS, FI, YD, Naturally Aspirated"

Fits 2 more submodels. (Show all) Show less info