View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1990 GMC C3500 with catalytic converter universal? At Tunersports.com we carry a huge selection of the top name brand performance catalytic converter universal parts and accessories.
 IN STOCK - DROPSHIPS 339109Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 339109. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single las... MagnaFlow 3.00 T1 Universal Converter 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $523.00 |
 IN STOCK 94009Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94009. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design. With highly corrosion resistant, stainless steel construction, you can have confidence in ... MagnaFlow Conv Univ 3 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $129.00 |
 IN STOCK - DROPSHIPS 95509Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 95509. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design. With highly corrosion resistant, stainless steel construction, you can have confidence in ... MagnaFlow Universal Catalytic Converter 3inch FED 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $285.00 |