Stainless steel
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well i got a full 4" turbo back 409 SS kit from MBRP for my 99 SD. The big thing that sold me on it was the lifetime warranty. Check and see if they offer a kit for the OBS There is really no difference in HP gains but it does look nice when it's clean. the 409 is the lesser grade and 304 is higher grade. either way it can get pricey. ask them and see what grade you're getting. to give you an idea on price, i paid about 450 for my full 409 kit. as far as dumping it in front of the tire. you might get tired of keeping the wheel and side of your bed clean. IMO
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hugh-janus
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06-15-2015 05:14 AM