Looking for aftermarket parts to modify or upgrade your Buick Riviera with catalytic converter direct fit? At Tunersports.com we carry a huge selection of the top name brand performance catalytic converter direct fit parts and accessories.

IN STOCK - DROPSHIPS 23223MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23223 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Conv Gm-Jeep 25X6.5X4 2.5/2.5 1991-1993 Buick Riviera Luxury $239.00 |
IN STOCK - DROPSHIPS 23400Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23400. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no ... MagnaFlow Direct Fit Catalytic Converter 97 Buick Riviera 3.8L 1997-1999 Buick Riviera Base $502.00 |
SHIPS FROM MANUFACTURER 23404Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23404. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no ... MagnaFlow Direct Fit Catalytic Converter Riviera 95-96 1995-1996 Buick Riviera Base $317.00 |
IN STOCK - DROPSHIPS 23419MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23419 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Direct Fit Catalytic Converter Gm 1980-1980 Buick Riviera Base / S $205.00 |
OUT OF STOCK 23420MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23420 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Conv GM 37.62X6.5X4 2.25/2.25 1986-1987 Buick Riviera Luxury / T-Type $240.00 |
IN STOCK - DROPSHIPS 23422MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23422 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Conv GM 37.38X6.5X4 2.25/2.25 1988-1989 Buick Riviera T-Type 1988-1990 Buick Riviera Luxury $233.00 |
IN STOCK - DROPSHIPS 23427Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23427. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel co... MagnaFlow Direct Fit Catalytic Converter Gm 1981-1981 Buick Riviera Base 1981-1984 Buick Riviera T-Type 1984-1984 Buick Riviera Base / Luxury $170.00 |
IN STOCK - DROPSHIPS 23447MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23447 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Conv GM 22.75X6.5X4 2.25/2.25 1984-1985 Buick Riviera Base / Luxury $331.00 |
OUT OF STOCK 23464Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23464. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no ... MagnaFlow Direct Fit Catalytic Converter 96 Buick LeSabre 3.8L 1995-1996 Buick Riviera Base $312.00 |
OUT OF STOCK 3322223Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3322223. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow 86-95 Buick/Cadillac/Pon CA Direct Fit Converter 1991-1993 Buick Riviera Luxury $1,272.00 |
IN STOCK - DROPSHIPS 3322418Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3322418. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow 78-84 GM Passenger car CA Direct Fit Converter 1981-1983 Buick Riviera Base / T-Type 1982-1982 Buick Riviera Limited Edition 1983-1983 Buick Riviera Luxury / XX Anniversary Edition $995.00 |
IN STOCK - DROPSHIPS 3322431Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3322431. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow GM Passenger car CA Direct Fit Converter 1977-1979 Buick Riviera Base 1978-1978 Buick Riviera LXXV Anniversary Edition 1979-1979 Buick Riviera S $970.00 |
IN STOCK - LOW 3322447Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3322447. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow Buick/Cad/Chev/Olds/Pont CA Direct Fit Converter 1984-1985 Buick Riviera Base / Luxury $995.00 |
OUT OF STOCK 4481404Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481404. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow California Direct Fit Converter 1996 Buick Riviera 3.8L 1996-1996 Buick Riviera Base $1,252.00 |
IN STOCK - DROPSHIPS 4481464Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481464. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow Direct Fit Catalytic Converter 1996 Buick LeSabre 3.8 1996-1996 Buick Riviera Base $1,322.00 |
OUT OF STOCK 4481515Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481515. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow 97-99 Buick LeSabre 3.8L Direct Fit Converter 1997-1999 Buick Riviera Base $1,350.00 |
IN STOCK - DROPSHIPS 93418MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93418 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Conv GM 21.38X6.5X4 2.25 23418 1981-1981 Buick Riviera T-Type 1981-1983 Buick Riviera Base 1982-1982 Buick Riviera Limited Edition 1983-1983 Buick Riviera Luxury / XX Anniversary Edition $181.00 |
IN STOCK - DROPSHIPS 93431MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93431 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Direct Fit Catalytic Converter GM 77 79 1977-1980 Buick Riviera Base 1978-1978 Buick Riviera LXXV Anniversary Edition 1979-1980 Buick Riviera S $363.00 |
IN STOCK - DROPSHIPS 93439MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93439 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel c... MagnaFlow Direct Fit Catalytic Converter GM 86 87 1985-1985 Buick Riviera Base / Luxury / T-Type $340.00 |