# S&S Cycle 17-21 M8 Models 55mm Intake Manifold

The S&S High Flow cast aluminum manifold is is the solution to get top level performance from your Milwaukee-Eight. Built to handle the heat, engineered for unrestricted airflow so you don't lose horsepower.

-   Exempt from emissions tampering regulations under CARB EO# D-355-39
-   Replaces stock, plastic manifold
-   T6 heat treated cast aluminum
-   Includes new rubber seal
-   Easy to Install
-   CNC Machined
-   Adds 3-5 hp

This Part Fits:

Year

Make

Model

Submodel

2018-2020

Harley-Davidson

FLDE Deluxe 107

Base

2018-2021

Harley-Davidson

FLFBS Fat Boy 114

Base

2018-2021

Harley-Davidson

FLHCS Heritage Classic 114

Base

2017-2021

Harley-Davidson

FLHR Road King

Base

2017-2021

Harley-Davidson

FLHRXS Road King Special

Base

2019-2021

Harley-Davidson

FLHT Electra Glide Standard

Base

2017-2019

Harley-Davidson

FLHTCU Electra Glide Ultra Classic

Base

2020-2021

Harley-Davidson

FLHTCUTGSE CVO Tri Glide

Base

2017-2021

Harley-Davidson

FLHTK Ultra Limited

Base

2017-2019

Harley-Davidson

FLHTKL Ultra Limited Low

Base

2017-2021

Harley-Davidson

FLHTKSE CVO Limited

Base

2017-2021

Harley-Davidson

FLHX Street Glide

Base

2017-2021

Harley-Davidson

FLHXS Street Glide Special

Base

2017-2021

Harley-Davidson

FLHXSE CVO Street Glide

Base

2017-2021

Harley-Davidson

FLRT Freewheeler

Base

2020-2021

Harley-Davidson

FLTRK Road Glide Limited

Base

2017-2019

Harley-Davidson

FLTRU Road Glide Ultra

Base

2017-2021

Harley-Davidson

FLTRX Road Glide

Base

2017-2021

Harley-Davidson

FLTRXS Road Glide Special

Base

2018-2020

Harley-Davidson

FXBRS Breakout 114

Base

2019-2020

Harley-Davidson

FXDRS FXDR 114

Base

2018-2021

Harley-Davidson

FXFBS Fat Bob 114

Base

2020

Harley-Davidson

FXLRS Low Rider S 114

Base

## Details

- **Price:** 319.36 CAD
- **Vendor:** S&S Cycle
- **Type:** Headers & Manifolds

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 319.36 CAD | In stock |

## Images

- Photo - Primary
- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/s-s-cycle-17-21-m8-models-55mm-intake-manifold)
> Updated: 2026-07-01