HX40 Flange Downpipe 1st Gen Cummins 89-93

MDC Diesel HX40 Flange Downpipe for the 1989-1993 1st Gen Cummins. 

4” diameter flange, 4” diameter pipe. NO CLAMP

Please select if the truck is 2wd or 4wd. There is a difference in fitment between 2 and 4wd models.