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Dynomax

DYNOMAX Muffler

MPN: 21470 Catalog #: 001499599 Category: Muffler Check Vehicle Fitment

Product Details

Muffler - Mega-Flow - 3-1/2 in Center Inlet - 3-1/2 in Center Outlet - 7 in Diameter Body - 38 in Long - Steel - Natural - RV - Each

Muffler - Mega-Flow - 3.5 in Center Inlet - 3.5 in Center Outlet - 31 x 7 in Round Body - 37 in Long - Steel - Aluminized - RV - Each

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Product Specs

Brand
Dynomax
Part Number
21470
Catalog Number
001499599
Product Line
Mufflers and Components
Category
Exhaust
Type
Muffler
UPC / Barcode
086387214704
Length
40.00 in
Width
7.50 in
Height
7.30 in
Weight
17.20 lb
Ship Alone
Yes
Air Restricted
No

Shipping & Availability

Current status 7 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 7 available as of 6/4/2026.

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