Headers for 2003 GMC Sierra 1500 HD
4 parts that fit, every brand, real ship dates.
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4 parts that fit, every brand, real ship dates.
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2003 GMC Sierra 1500 HD headers: questions and answers
What headers fit the 2003 GMC Sierra 1500 HD?
4 headers here are listed by their manufacturers for the 2003 GMC Sierra 1500 HD, from 2 brands including Gibson, BBK, priced from $549 to $2,196.
Which ones can ship to California?
All 4 can ship to a California address (no CARB restriction).
Which ones ship fastest?
2 are in stock and ship in 1-2 business days. Every other part shows its ship date on its page before you order.