57mm One-Piece Billet CNC M8 Intake Manifold For Harley Road King Electra Street Glide

Upgrade your Harley’s intake system with the NICECNC 57mm Aluminum Intake Manifold—engineered for smoother airflow, stronger throttle response, and reliable long-term performance.

Features:

• CNC One-Piece Machining
  Precision CNC-machined from a single piece with a smooth, burr-free surface, ensuring more accurate mounting and smoother, more efficient airflow.
• 57mm Enlarged Inner Diameter
  Larger 57mm bore compared to the 55mm stock manifold allows greater airflow, helping unlock an additional 3–5 HP with a boost in throttle feel.
• Internal Wind Blade Design
  Built-in wind blade guides air more smoothly into the engine, reducing turbulence and improving throttle response.
• Durable Aluminum Construction
  Stronger and more reliable than stock plastic manifolds, reducing the risk of air leaks while maintaining consistent, high-flow intake performance.
• Anodized Finish
  Anodized surface provides a clean, premium look with improved corrosion resistance for long-lasting appearance and durability.

Item Specifics:

• Brand: NICECNC 
  
• Material: Aluminum 
  
• Processing technology: CNC
  
• Replace OEM Part Number: 27300121

Note:
This is intended for the experienced rider only.

Package Included:
1 x Aluminium Intake Manifold
1 x o-ring

Fitment:
Fits '18-later Softail, and '17-later Harley Touring models with 55mm intake monifold M8 Engine.

for Harley Breakout FXBR 107 2018-2019
for Harley Breakout FXBRS 114 2018-2022
for Harley Breakout    115th Anniversary FXBRS 114    2018
for Harley Fat Bob FXFB 107 2018-2020
for Harley Fat Bob FXFBS 114 2018-2022
for Harley Heritage Classic FLHC 107 2018-2021
for Harley Heritage Classic FLHCS 114 2018-2022
for Harley Heritage Classic 115th Anniversary FLHCS 114   2018
for Harley    Fat Boy    115th Anniversary FLFBS 114    2018
for Harley    Fat Boy    Anniversary FLFBSANV    2023
for Harley    Fat Boy    FLFB 107    2018-2020
for Harley    Fat Boy    FLFBS 114    2018-2024
for Harley    Low Rider    El Diablo     2022
for Harley    Low Rider    FXLR 107    2018-2020
for Harley    Low Rider S    FXLRS 114    2020-2021
for Harley    Low Rider S    FXLRS 117    2022-2024
for Harley    Low Rider ST     FXLRST 117    2022-2024
for Harley    Road Glide    Anniversary SP FLTRXSANV    2023
for Harley    Road Glide    FLTRX    2017-2023
for Harley    Road Glide    Limited FLTRK    2020-2023
for Harley    Road Glide    Special FLTRXS    2017-2023
for Harley    Road Glide    Special ST FLTRXST    2023
for Harley    Road Glide    ST FLTRXST    2022-2023
for Harley    Road Glide    Ultra FLTRU    2017-2020
for Harley    Road King    Classic FLHRC    2017-2020
for Harley    Road King    FLHR    2017-2022
for Harley    Road King    Police FLHP    2017-2020
for Harley    Road King    Special FLHRXS    2017-2023
for Harley    Street Bob    FXBB 107    2018-2020
for Harley    Street Bob    FXBBS 114    2021-2024
for Harley    Street Glide    115th Anniversary FLHX    2018
for Harley    Street Glide    115th Anniversary Special FLHXS    2018
for Harley    Street Glide    Anniversary SP FLHXSANV    2023
for Harley    Street Glide    CVO FLHXSE    2017-2023
for Harley    Street Glide    FLHX    2017-2023
for Harley    Street Glide    Special FLHXS    2017-2023
for Harley    Street Glide    Special ST FLTRXST    2023
for Harley    Street Glide    ST FLHXST    2022-2023
for Harley Sport Glide FLSB 107 2018-2022
for Harley Softail Standard FXST 107 2020-2022
for Harley Softail Slim FLSL 107 2018-2021
for Harley Softail Deluxe FLDE 107 2018-2020
for Harley Softail FXDR 114 FXDRS 2019-2020
for Harley Electra Glide Standard FLHT 2019-2022
for Harley Electra Glide Ultra Classic FLHTCU 2017-2019
for Harley Electra Glide Revival FLH 2021
for Harley Ultra Limited FLHTK 2017-2022
for Harley Ultra Limited 115th Anniversary FLHTK 2018
for Harley Ultra Limited Low FLHTKL 2017-2018
for Harley Ultra Limited Shrine Edition FLHTK Shrine 2017-2022
for Harley Freewheeler FLRT 2017-2022
for Harley Tri Glide Ultra FLHTCUTG 2017-2022
for Harley Tri Glide Ultra Classic 115th Anniversary FLHTCUTG  2018
for Harley CVO Ultra Limited FLHTKSE 2018-2021
for Harley CVO Limited FLHTKSE 2017
for Harley CVO Road Glide FLTRXSE 2018-2022
for Harley CVO Road Glide Limited FLTRKSE 2022
for Harley CVO Street Glide FLHXSE 2017-2022
for Harley CVO Tri Glide FLHTCUTGSE 2020-2022

Disclaimer: 

Nicecnc parts are not sponsored or endorsed by, or affiliated with the brands its parts fit, including Harley-Davidson, Honda, Yamaha, Kawasaki, Suzuki, KTM, Duke, Husaberg, Husqvarna, BMW, Aprilia, Triumph, Piaggio, Ducati, MV Agusta, Moto Guzzi, Benelli, Buell, CF-Moto, Enfield, Hyosung, Indian, etc.