Mufflers for 2007-2014 GMC Sierra 2500 HD (GMT900)

Shop 3 mufflers that fit the 2007-2014 GMC Sierra 2500 HD (GMT900) from Flowmaster. 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.

Mufflers for 2007-2014 GMC Sierra 2500 HD (GMT900)
3 parts that fit, every brand, real ship dates.

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Flowmaster 3.5 IN(O)/OUT(O) 50 Series Heavy Duty Muffler

Sale

Flowmaster
Flowmaster 3.5 IN(O)/OUT(O) 50 Series Heavy Duty Muffler

Regular price $277.95 USD

Regular price List ~~$312.95 USD~~ Sale price $277.95 USD

Ships from manufacturerFree shippingPay over time with Shop Pay

Sale
Flowmaster 3.5 IN(O)/OUT(O) 50 Series Heavy Duty SS Muffler

Sale

Flowmaster
Flowmaster 3.5 IN(O)/OUT(O) 50 Series Heavy Duty SS Muffler

Regular price $302.95 USD

Regular price List ~~$340.95 USD~~ Sale price $302.95 USD

Made to orderFree shippingPay over time with Shop Pay

Sale
Flowmaster 3.50 IN(O)/OUT(O) Super 40 SS Muffler

Sale

Flowmaster
Flowmaster 3.50 IN(O)/OUT(O) Super 40 SS Muffler

Regular price $193.95 USD

Regular price List ~~$218.95 USD~~ Sale price $193.95 USD

Ships from manufacturerFree shippingPay over time with Shop Pay

Sale

2007-2014 GMC Sierra 2500 HD (GMT900) mufflers: questions and answers

What mufflers fit the 2007-2014 GMC Sierra 2500 HD (GMT900)?

3 mufflers here are listed by their manufacturers for the 2007-2014 GMC Sierra 2500 HD (GMT900), from Flowmaster, priced from $193 to $303.

Which ones can ship to California?

All 3 can ship to a California address (no CARB restriction).

Which ones ship fastest?

None are in stock right now. Each part page shows the date it ships before you order.

How loud are they?

By the manufacturers' own sound ratings: 1 aggressive. Use the Sound filter at the top of the page. Parts without a rating are ones whose manufacturer does not rate the series.