Delivery Estimate- Increases Horsepower and Torque
- Long Tube Header Design
- High-Flow Catalytic Converters Included
- 1-7/8″ Primary Tubes with 3″ Collector
- Free Flowing Mandrel-Bent Tubing
- 304 Stainless Steel Construction – Natural Finish
- Intended for Off-Road, Track Use Only
- Requires Stainless Works 3″ Cat-Back Exhaust Part# 384843
- 24-Month Guarantee on Material and Workmanship
- Designed by Stainless Works
- Fits Left Hand Drive Models Only
- Fits 2015-2023 GT Mustangs with Stainless Works 3″ Cat-Back
| Brand | Stainless Power |
| Header Type | Long Tube Headers |
| Header Primary Size | 1.76-2.00 Inch |
| Header Collector Size | 3.00 Inch |
| Header Finish | Raw |
More Horsepower and Torque. Are you on the a quest of more power to defeat your rivals whether you find them on the street, strip or at the track? If so, you should really lose those restrictive stock exhaust manifolds and replace them with a set of free flowing Stainless Power Long Tube Headers. Including a pair of high flow catalytic converters, these Stainless Power Headers feature venturi style merge spikes that optimize exhaust flow and improve scavenging. As a result, you will experience a dramatic increase in horse power and torque throughout the entire RPM range. Stainless Power’s Long Tube Headers are the ideal choice for those Mustang owners that are looking for affordable high-end power.
High Flow Catalytic Converters. Stainless Power’s high flowing catalytic converters are engineered to outperform the restrictive stock cats. The included high flow catalytic converters provide a significant increase in exhaust flow for a measured improvement in horsepower and torque at the rear wheels.
Superior Construction. Stainless Power Headers are manufactured to Stainless Works exact design specifications. Stainless Power Headers are CNC mandrel bent from 1-7/8″ diameter, 304 stainless steel tubing for excellent exhaust flow and long lasting corrosion resistance. These Long Tube Headers feature TIG welded construction, as well as laser cut 3/8″ header flanges for additional strength and leak-free performance.
24-Month Guarantee. Stainless Power is Stainless Works value-line brand of exhaust products designed for the cost conscious consumer that wants a high-quality product at a reasonable price. Stainless Power is so confident in the quality of their Long Tube Headers that they are backed by a 24-Month guarantee on material and workmanship.
Required Upgrade. To realize the full power potential that these Long Tube Catted Headers have to offer, AmericanMuscle recommends a Bama custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.
Application. These Stainless Power Long Tube Catted Headers are specifically designed to fit the 2015 to 2023 GT Mustang equipped with the Coyote 5.0L DOHC V8 engine. Requires Stainless Works 3″ cat-back exhaust system part# 384843 for proper installation.
Technical Note. Not legal for use on pollution controlled motor vehicles; intended for off road use only.
Please Note.These Headers are intended for left hand drive applications only.
Fitment:
- 2015 Ford Mustang
- 2016 Ford Mustang
- 2017 Ford Mustang
- 2018 Ford Mustang
- 2019 Ford Mustang
- 2020 Ford Mustang
- 2021 Ford Mustang
- 2022 Ford Mustang
- 2023 Ford Mustang
What’s in the Box
- (1) Driver Side Header
- (1) Passenger Side Header
- (1) Driver Side Connection Pipe
- (1) Passenger Connection Pipe
- (2) High-Flow Catalytic Converters
- (4) Clamps
- (2) O2 Extensions
- Hardware
Stainless Power SM15H3CAT
CA Residents: 
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
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