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Looking for aftermarket parts to modify or upgrade your 2003 Isuzu Ascender 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 23015Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23015. 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 Conv 02-05 Chevrolet Trailblazer EXT 02-03 GMC Envoy XL 4.2L 129in WB 2003-2003 Isuzu Ascender Base / Limited / LS $435.00 |
 OUT OF STOCK 23967Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23967. 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 DF Conv 02-05 Chevy Trail Blazer/GMC Envoy V6 4.2L 113in Wheelbase/02-04 Olds Bravada V6 2003-2003 Isuzu Ascender Base 2003-2004 Isuzu Ascender Limited 2003-2005 Isuzu Ascender LS $419.00 |
 OUT OF STOCK 24950Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24950. 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 Conv DF 05-06 GMC Envoy XL Denali 2003-2003 Isuzu Ascender Base 2003-2004 Isuzu Ascender Limited / LS $797.00 |
 IN STOCK - DROPSHIPS 49022Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49022. 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 03 Chevy Trailblazer 4.2L 2003-2003 Isuzu Ascender Base / Limited / LS $456.00 |
 OUT OF STOCK 49886Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49886. 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 constru... MagnaFlow Direct Fit Catalytic Converter 05-06 GMC Envoy XL Denali 2003-2003 Isuzu Ascender Base 2003-2004 Isuzu Ascender Limited / LS $868.00 |