Walker Exhaust

Walker Exhaust 21690 Quiet-Flow Direct Fit Exhaust Muffler

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SKU:
19644752
MPN:
21690
Availability:
Usually ships the same or next business day. In stock at our MI, PA, WA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
01/12/2026 02:39:40 PM PST
$76.39

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 or above and pay only $74.61 each 74.61
Stock Update:
01/12/2026 02:39:40 PM PST

Description

This item is brand-new, factory sealed.

Walker Exhaust Quiet-Flow SS 21690 Direct Fit Exhaust Muffler
  • CORROSION RESISTANT STAINLESS STEEL -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding
  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on
  • Vehicle Linkages: Car/Truck ,Chevrolet ,Equinox: 2010 - 2020
  • GMC ,Terrain: 2010 - 2017
  • Brand: Walker
  • Material: Stainless Steel
  • Item Dimensions LxWxH: 21 x 9.5 x 5.25 inches
  • Vehicle Service Type: Car
  • Item Weight: 5.25 Pounds
  • Shape: Oval
  • Manufacturer: Walker Exhaust
  • Model: Walker
  • Item Weight: 5.25 pounds
  • Product Dimensions: 21 x 9.5 x 5.25 inches
  • Country of Origin: USA
  • Item model number: 21690
  • Is Discontinued By Manufacturer: No
  • Exterior: Machined
  • Manufacturer Part Number: 21690

The only broad-market muffler with 100% stainless-steel construction, Walker Quiet-Flow SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Walker Exhaust 21690 Quiet-Flow Direct Fit Exhaust Muffler
$76.39