Gmpp catback bolt size?
Gmpp catback bolt size?
Need to know the size bolt and nut that I need for the 2 bolts that hook up my stock downpipe to the gmpp exhaust flange. Hoping someone on here knows, would save me trouble than bringing the piece and test fitting individual nuts lol. Thanks
I bought a exhaust header bolt kit from Canadian tire. There's like 3 long threaded things and 3 short ones and 6 heavy duty nuts. The long ones worked like a charm on my gmpp. the threaded part is like welded into the stock exhaust system so you'll need all new hardware.
Thanks, but didn't find much on crappy tires site. Late night bump for any more answers. Im guessing the bolts are the same size as the stock bolts holding up a stock SS sc exhaust
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