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Magnaflow

Magnaflow Exhaust System for Hummer H2 split rear

MPN: 16673 Catalog #: 0076690 Category: Catback Check Vehicle Fitment

Product Details

The MagnaFlow 2003-2006 Hummer H2 Street Series Cat-Back Performance Exhaust System 16673 brings out the personality of your 6.0L 2003-2006 Hummer H2 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Hummer H2 exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Hummer H2's to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16673 features a cat-back layout that replaces your ride's stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16673 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty.

The MagnaFlow 2003-2006 Hummer H2 Street Series Cat-Back Performance Exhaust System brings out the personality of your 6.0L 2003-2006 Hummer H2 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Hummer H2 exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Hummer H2's to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16673 features a cat-back layout that replaces your ride's stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16673 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty.

Vehicle Fitment

Please verify year, make, model, and any notes before ordering.

Product Specs

Brand
Magnaflow
Part Number
16673
Catalog Number
0076690
Product Line
Catback
Category
Exhaust
Type
Catback
UPC / Barcode
841380028693
Vendor Product Category
Exhaust, Mufflers & Tips
Vendor Product Subcategory
Catback
Length
59.00 in
Width
20.75 in
Height
14.25 in
Weight
63.00 lb
Units Per SKU
1
Freight / LTL
No
Air Restricted
No
Hazmat
No
Chemical
No
CARB Approved
Yes
Clearance Item
No
Non-Returnable
No
Case Quantity
1
Kit
No

Shipping & Availability

Current status 5 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: 5 available as of 6/4/2026.

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