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Fabspeed 991 GT3 sport headers with high-flow cats, pair

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Sport cat outlet on a 991 GT3 sport header

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Catalyst core inside the 991 GT3 sport header cat

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O2 bung weld on the 991 GT3 sport header catalytic converter

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Fabspeed 991 GT3 Sport Headers

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Brand: FabspeedSKU / Part #: FS.POR.991GT3.SHDR

Regular price: $5,719.95
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Sale price: $5,719.95
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Subtotal: $5,719.95

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Fabspeed 991 GT3 Sport Headers

Subtotal: $5,719.95

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Overview

Fabspeed 991 GT3 Sport Headers: stainless sport headers with HJS 200-cell sport catalytic converters that replace the restrictive factory headers, for the 2014-2016 Porsche 991 GT3 / GT3 RS. It saves 2 lbs over the factory parts it replaces.

What's Included

Fabspeed 991 GT3 Sport Headers

Features

Includes German-made HJS 200-cell tri-metallic sport cats
Designed to run with no catalyst check engine light
CNC mandrel-bent one-piece primary tubes
High-velocity motorsport-style merge collector
T304 stainless steel construction
Saves 2 lbs over the factory headers
Fabspeed Lifetime Warranty

Fitment note

Fits the 991 GT3 (2014-2016) and GT3 RS (2016) as sold in the US. After the first heat cycle, retighten all exhaust bolts to the factory torque specs.

Emissions and use

The HJS sport catalytic converters keep catalytic function, but Fabspeed lists them as not CARB or EPA certified, so this part is sold for closed-course and off-road use. Check your state and local emissions rules before you buy.

Not CARB or EPA certified; closed-course use.

Specifications

Brand	Fabspeed
Part number	FS.POR.991GT3.SHDR
Type	Headers
Material	T304 stainless
Weight saved	2 lbs
Warranty	Fabspeed Lifetime Warranty

Fitment

Year	Make	Model	Chassis	Engine
2014-2016	Porsche	911 GT3	991.1	3.8L flat-six
2016	Porsche	911 GT3 RS	991.1	4.0L flat-six

Questions about fitment? Call (310) 231-0292 or text (310) 886-3111.

Fitment

Year	Make	Model

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.

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