Cat-Back Exhaust for 2004 GMC Sierra 1500 WT

Shop 40 cat-back exhaust systems that fit the 2004 GMC Sierra 1500 WT from Gibson, Flowmaster, Magnaflow and MBRP. Every part shows its real ship date and California status, orders over $100 ship free in the lower 48, and you can hear real sound clips before you buy.

Cat-Back Exhaust for 2004 GMC Sierra 1500 WT
40 parts that fit, every brand, real ship dates.
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All brandsaFeFlowmasterGibsonMagnaflowMBRP
40 products

2004 GMC Sierra 1500 WT cat-back exhaust systems: questions and answers

What cat-back exhaust systems fit the 2004 GMC Sierra 1500 WT?

40 cat-back exhaust systems here are listed by their manufacturers for the 2004 GMC Sierra 1500 WT, from 5 brands including Gibson, Flowmaster, Magnaflow, MBRP, priced from $324 to $1,869.

Which ones can ship to California?

All 40 can ship to a California address (no CARB restriction).

Which ones ship fastest?

6 are in stock and ship in 1-2 business days. Every other part shows its ship date on its page before you order.

How loud are they?

By the manufacturers' own sound ratings: 7 aggressive, 3 moderate, 3 mild. Use the Sound filter at the top of the page. Parts without a rating are ones whose manufacturer does not rate the series.