Off road Y-Pipe for '04 5.3L crew cab
#7
3 mandrel bent u pipe from jegs 45
having someone cut and weld em 50
Gaining alot more power than you would think priceless!!!
there is a huge amount of flow restriction in the stock y pipe I dont care what anyone says. You will notice a big difference even with the stock manifolds still on.
having someone cut and weld em 50
Gaining alot more power than you would think priceless!!!
there is a huge amount of flow restriction in the stock y pipe I dont care what anyone says. You will notice a big difference even with the stock manifolds still on.
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