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MagnaFlow Street Series Cat-Back Exhaust 15789 for the 2003-2006 Chevrolet Silverado 1500 HD / 2500 HD }
Brand: MagnaflowSKU / Part #: MAG15789
Regular price
$965.00
Regular price
$1,386.56
Sale price
$965.00
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Subtotal: $965.00
MagnaFlow Street Cat-Back 2006 Chevrolet Silverado 1500 HD 6.0L
Subtotal: $965.00

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Overview

For the 2003-2007 Chevrolet Silverado 1500 HD / 2500 HD 6.0L, MagnaFlow 15789 replaces the factory system with a Street Series Cat-Back Exhaust. Sound rating: moderate from outside, mild in the cabin. It is catalogued for the 2006 Chevrolet Silverado 1500 HD (LT), 2003-2006 Chevrolet Silverado 2500 HD (Base, LS, LT, WT), 2007 Chevrolet Silverado 2500 HD Classic (LS, WT) and 2003-2006 GMC Sierra 2500 HD (Base, SL, SLE, SLT, WT), plus 1 more model in the table below. Built around the 6.0L engine. Shipping weight is about 61 lb.

Features

  • Fits 2006 Chevrolet Silverado 1500 HD: LT
  • Fits 2003-2006 Chevrolet Silverado 2500 HD: Base, LS, LT, WT
  • Fits 2007 Chevrolet Silverado 2500 HD Classic: LS, WT
  • 2 further models listed in the fitment table
  • 4in mandrel-bent stainless tubing
  • 1 straight-through muffler
  • Round band clamped joints
  • Single passenger side rear exit
  • 4in polished single wall angle cut tips
  • Direct-fit layout developed with 3D scanning

Sound

  • Exterior: Moderate
  • Interior: Mild

What is in the box

  • Complete cat-back exhaust
  • 2 x 3in band clamps
  • 1 x 4in band clamp

Specs

Part number 15789
Series Street
Type Street Series Cat-Back Exhaust
Inlet Type Clamp-On
Exhaust Tip Quantity 1
Exhaust Tip Diameter 4in
Exhaust Tip Finish Polished
Exhaust Tip Material Stainless Steel
Muffler Type Straight-Through
Clamps Included Yes
Muffler Body Length 22in
Pipe Material Stainless Steel
Clamping Type Round Band
Hangers Included Yes
Muffler Body Material Stainless Steel
Muffler Quantity 1
Exit Style Single Passenger Side Rear
Main Piping Diameter 4in
Exhaust Tip Connection Welded-On
Exhaust Tip Wall Single Wall
Exhaust Tip Cut Angle Cut
Exhaust Tip Edge Rolled Edge
Muffler Finish Brushed
Muffler Body Height 5in
Muffler Body Width 11in
Exhaust Tip Length 12in
Exhaust Tip Shape Round
Shipping weight 61 lb

Warranty

MagnaFlow covers the construction of this system with a limited lifetime warranty, and the finish carries a 1-year limited warranty.

Installation

Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended. Download the MagnaFlow 15789 installation guide (PDF).

Fitment notes

Check the fitment table below against your vehicle, including trim and engine.

Fitment

Make Model Chassis Year Engine
Chevrolet Silverado 1500 HD (LT) — 2006 6.0L
Chevrolet Silverado 2500 HD (Base, LS, LT, WT) — 2003-2006 6.0L
Chevrolet Silverado 2500 HD Classic (LS, WT) — 2007 6.0L
GMC Sierra 2500 HD (Base, SL, SLE, SLT, WT) — 2003-2006 6.0L
GMC Sierra 2500 HD Classic (SL, SLT, WT) — 2007 6.0L
Fitment
YearMakeModel
2006–2006ChevroletSilverado 1500 HD
2003–2006ChevroletSilverado 2500 HD
2007–2007ChevroletSilverado 2500 HD Classic
2003–2006GMCSierra 2500 HD
2007–2007GMCSierra 2500 HD Classic

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions

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