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MagnaFlow Street Series Cat-Back Exhaust 15318 for the 2014-2018 Chevrolet Silverado 1500

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MagnaFlow 15318 main product photo, alternate angle 3

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MagnaFlow Street Cat-Back 2014-2018 Chevrolet Silverado 1500 15318

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Brand: MagnaflowSKU / Part #: MAG15318

Regular price: $1,309.00
Regular price: ~~$1,881.39~~
Sale price: $1,309.00
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Subtotal: $1,309.00

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MagnaFlow Street Cat-Back 2014-2018 Chevrolet Silverado 1500 15318

Subtotal: $1,309.00

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Overview

Here is the MagnaFlow Street Series Cat-Back Exhaust 15318, engineered around the 2014-2018 Chevrolet Silverado 1500 6.2L. Sound rating: moderate from outside, mild in the cabin. It is catalogued for the 2014-2018 Chevrolet Silverado 1500 (High Country, LTZ) and 2014-2018 GMC Sierra 1500 (Denali, SLT). Built around the 6.2L engine. Shipping weight is about 70 lb.

Features

Fits 2014-2018 Chevrolet Silverado 1500: High Country, LTZ
Fits 2014-2018 GMC Sierra 1500: Denali, SLT
4in mandrel-bent stainless tubing
2 straight-through mufflers
Round band clamped joints
Single passenger side rear exit
5in polished double 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 3.5in band clamps
1 x 4in band clamp

Specs

Part number	15318
Series	Street
Type	Street Series Cat-Back Exhaust
Inlet Type	Clamp-On
Exhaust Tip Quantity	1
Exhaust Tip Diameter	5in
Exhaust Tip Finish	Polished
Exhaust Tip Material	Stainless Steel
Muffler Type	Straight-Through
Clamps Included	Yes
Pipe Material	Stainless Steel
Clamping Type	Round Band
Hangers Included	Yes
Muffler Body Material	Stainless Steel
Muffler Quantity	2
Exit Style	Single Passenger Side Rear
Main Piping Diameter	4in
Exhaust Tip Connection	Welded-On
Exhaust Tip Wall	Double Wall
Exhaust Tip Cut	Angle Cut
Exhaust Tip Edge	Rolled Edge
Muffler Finish	Brushed
Exhaust Tip Length	13in
Exhaust Tip Shape	Round
Muffler (Front) Body Height	5in
Muffler (Front) Body Length	22in
Muffler (Front) Body Width	11in
Muffler (Rear) Body Height	6in
Muffler (Rear) Body Length	14in
Muffler (Rear) Body Width	6in
Shipping weight	70 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 15318 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 (High Country, LTZ)	—	2014-2018	6.2L
GMC	Sierra 1500 (Denali, SLT)	—	2014-2018	6.2L

Fitment

Year	Make	Model
2014–2018	Chevrolet	Silverado 1500
2014–2018	GMC	Sierra 1500

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