AP Exhaust Exhaust Muffler 700488
AP Exhaust Exhaust Muffler 700488

AP Exhaust Exhaust Muffler P/N:700488

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$144.99
MPN: 700488
Item Package Quantity: 1
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AP Exhaust Exhaust Muffler P/N:700488
AP Exhaust Exhaust Muffler P/N:700488
$144.99

Quiet your truck's exhaust and keep back-pressure in check with the AP Exhaust Direct Fit Muffler (MSL Maximum), MPN 700488. It drops in as a direct-fit replacement for 1999-2001 Chevrolet Silverado 2500 and GMC Sierra 2500, 2001-2006 Silverado 2500 HD and Sierra 2500 HD, 2004-2006 Silverado 3500 and Sierra 3500, and 2007 Silverado 3500 Classic and Sierra 3500 Classic — all with the V8-6.0L or V8-8.1L (see the Buyer's Guide tab for the full list).

  • Aluminized steel construction: the body is built from 100% aluminized steel for corrosion resistance.
  • Baffled, OE-comparable sound: a baffled design engineered to perform like OE for sound control and back-pressure performance; not tunable.
  • Sized inlets and outlet: two 3.000 in inside-diameter inlets and a single 3.5 in inside-diameter pipe outlet, with thick expandable necks that allow for easy sizing during installation.
  • Standard-replacement grade: built for the professional installer; no heat shield attached.

Body measures 24.000 in long, 11.500 in wide and 8.500 in tall, with an overall length of 28.250 in. Signs a muffler may need replacing include loud or raspy exhaust, rattling from a loose internal baffle, or rust-through and leaks. Country of origin: United States.

Frequently Asked Questions

Which vehicles does this AP Exhaust muffler fit?

Direct-fit for trucks like the 1999-2001 Chevrolet Silverado 2500 and GMC Sierra 2500 (V8-6.0L), plus other Silverado and Sierra 2500 HD, 3500, and 3500 Classic models with the V8-6.0L or V8-8.1L — See the Buyer's Guide tab.

What is the muffler made of?

The body is constructed from 100% aluminized steel, which provides corrosion resistance.

What are the inlet and outlet sizes?

It has two inlets with a 3.000 in inside diameter and one pipe outlet with a 3.5 in inside diameter. The necks are expandable to allow easy sizing.

Is this muffler tunable or does it change the exhaust note aggressively?

No. It's a baffled design with an OE-comparable sound level, engineered to perform like OE for sound control and back-pressure performance, and it is not tunable.

Does this muffler include a heat shield?

No, this muffler does not have a heat shield attached.

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