PERFORMANCE MACHINE MN-86BK Throttle Housing Fltrxs Mb MN/86BK

( Brand: Performance Machine ), ( Manufacturer Part Number: MN/86BK ), ( Color: Black Anodized ), ( Compatible Year: 2020 2019 2018 2017 2016 2015 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fltrxs Road Glide Special ), ( Bundle Description: 1 Pc Genuine Performance Machine Throttle Housing ), ( Type: Throttle Housing ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review PERFORMANCE MACHINE Mn/86bk Throttle Housing Harley Davidson Fltrxs Mb fits 2015–2020

The **Performance MN/86BK Throttle Housing for 2015 2020 Harley-Davidson FLTRXS/MB** is a meticulously engineered, high-performance upgrade designed to enhance throttle response, smoothness, and overall riding dynamics for these iconic Sportster models. Crafted from premium, durable materials, this throttle housing replaces the stock unit with a precision-machined assembly featuring a **dual-stage, progressive cable system** that delivers crisp, linear actuation with minimal play, eliminating the sluggishness often associated with OEM throttle bodies. The housing incorporates a **reinforced aluminum construction** for rigidity and resistance to heat buildup, ensuring consistent performance even under aggressive throttle inputs or sustained high-RPM operation. A key standout feature is the **adjustable cable tension mechanism**, allowing riders to fine-tune the throttle feel to their preference whether seeking a sportier, snappy response or a more relaxed, progressive engagement. This housing is fully compatible with the FLTRXS and FLTMB s electronic throttle control (ETC) systems, maintaining seamless integration with the bike s stock wiring and ECU, while also accommodating aftermarket throttle bodies and performance air filters for those seeking further tuning potential. Built to withstand the demands of daily riding as well as track use, the Performance MN/86BK is backed by rigorous testing to ensure durability and reliability, making it an ideal choice for riders looking to refine their throttle control without compromising the classic Sportster s character. Whether cruising on the highway or navigating tight corners, this throttle housing transforms the FLTRXS/MB into a more responsive, engaging machine, bridging the gap between stock performance and high-performance tuning.

### Pros and Cons of Buying a Performance MN/86BK Throttle Housing for a 2015 2020 Harley-Davidson FLTRXS/MB

1. **Improved Throttle Response** The MN/86BK throttle housing is designed to provide a more linear and responsive throttle feel, reducing the "dead zone" common in stock throttle bodies. This can make the bike feel more engaging, especially in low-RPM scenarios like city riding or cruising.

2. **Better Throttle Control** The housing is engineered to minimize throttle lag, which can be particularly noticeable in stop-and-go traffic or when transitioning between gears. This can enhance overall rideability and make the bike feel more responsive to rider input.

3. **Compatibility with Aftermarket Tuning** If you plan to run an aftermarket tune (e.g., from a company like **Harley-Davidson Performance, Stage 1, or a custom tuner**), the MN/86BK throttle housing is often recommended to ensure the throttle body works optimally with increased airflow and power. A mismatched throttle housing can cause hesitation or poor performance when paired with a tune.

4. **Potential for Smoother Power Delivery** Some riders report that the MN/86BK housing helps smooth out power delivery, reducing the "jerkiness" that can occur with stock throttle bodies, particularly when paired with a tune that increases mid-range torque.

5. **Durability and Quality** MN/86BK is a reputable manufacturer known for high-quality aftermarket parts. Their throttle housings are built to withstand the demands of performance riding and are often more robust than stock components.

6. **Easier Installation** The housing is designed to be a direct drop-in replacement for the stock unit, requiring minimal modification. Installation typically involves removing the stock housing, cleaning the throttle body, and securing the new unit no major wiring or sensor changes are usually needed.

7. **Potential for Better Fuel Economy (with Tune)** While not a primary benefit, some riders report slight improvements in fuel efficiency when paired with an appropriate tune, as the throttle housing can optimize airflow more efficiently.

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1. **Cost** The MN/86BK throttle housing is not cheap, typically ranging between **$300 $500**, depending on whether you include installation or additional accessories. This is a significant investment for a single component, especially if you re not planning to run a full tune.

2. **Requires a Tune for Full Benefits** The throttle housing alone will not significantly improve performance unless paired with a **custom tune**. Running it stock or with a generic tune may not yield noticeable benefits, and in some cases, it could cause hesitation or poor idle quality if the ECU isn t adjusted properly.

3. **Potential for Throttle Lag with Stock ECU** Without a tune, the throttle housing may not perform as intended. The stock ECU is calibrated for the original throttle body, and switching to a performance housing without adjusting fuel/air ratios can lead to rough idling, stumbling, or even stalling.

4. **Limited Benefits Without Other Modifications** If you re only running this housing without upgrading the injectors, fuel pump, or exhaust system, the gains will be modest. For meaningful performance improvements, other components (like a **Stage 1 tune, upgraded injectors, or a high-flow fuel pump**) are often necessary.

5. **Installation Complexity (If DIY)** While the housing itself is straightforward to install, some riders may need to adjust the throttle cable routing or sensor wiring to ensure proper function. Improper installation can lead to throttle binding or erratic behavior.

6. **Not a "Set-and-Forget" Mod** Unlike cosmetic upgrades, this is a functional modification that requires attention to detail. If you don t plan to maintain it or run a tune, the benefits may not justify the cost.

7. **Potential for Overcomplication** If you re not experienced with tuning or aftermarket modifications, adding a throttle housing without proper guidance could lead to frustration if the bike doesn t perform as expected.

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- **Running an aftermarket tune** (e.g., Stage 1, custom map) and want to optimize throttle response and power delivery, or

- **Experiencing throttle lag or poor low-end feel** with their stock setup and want a direct solution before investing in a full tune.

However, it is **not a standalone performance part** its benefits are maximized when paired with a **proper tune**. If you re not planning to tune your bike, the cost may not be justified, and you could end up with a more expensive (but less effective) upgrade.

For riders who are **serious about performance tuning**, the MN/86BK housing is a **highly recommended** component to pair with a Stage 1 tune or custom map. It provides noticeable improvements in throttle feel, response, and power delivery, making the ride more engaging and predictable.

For **casual riders or those only looking for minor improvements**, the benefits may not outweigh the cost, and other mods (like exhaust, suspension, or a simple tune) could offer better value.

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- **If you re tuning your FLTRXS/MB (Stage 1 or custom map):** **Buy the MN/86BK throttle housing** it s a smart investment that complements the tune and enhances throttle response.

- **If you re not tuning but want better throttle feel:** Consider **lower-cost alternatives** (e.g., a throttle body cleaner, cable adjustment, or a simpler tune) before committing to this upgrade.

- **If you re building a high-performance bike:** Pair this with **upgraded injectors, a high-flow fuel pump, and a full tune** for the best results.

- **If you re unsure about tuning:** Consult a **Harley-Davidson Performance dealer or a reputable tuner** before purchasing to ensure it s the right fit for your goals.

Ultimately, this is a **performance-oriented mod** best suited for riders who are actively working on their bike s power and drivability. For those just looking for a minor refinement, the cost may not be justified.

Details:

Performance Machine Throttle Housing for 2015 - 2020 Harley Davidson FLTRXS mb: Status: In Stock.

part #: mn86bk prices

• $51.72-$147.07

specifications intakefuelmotorcycle:

• for makes: Harley, Davidson
• for years: 2015-2020
• brand: Performance Machine
• mpn: Mn/86bk
• color: Black Anodized
• compatible year: 2020 2019 2018 2017 2016 2015
• compatible make: Harley Davidson
• compatible model: Fltrxs Road Glide Special
• bundle description: 1 Pc Genuine Performance Machine Throttle Housing
• type: Throttle Housing
• core charge: Free No Core Charge
• fitment type: Direct Replacement

returns intakefuelmotorcycle:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments intakefuelmotorcycle:

• other
• credit card: Diners-club
• wallet: Apple-pay

offer intakefuelmotorcycle:

• options: Ship-to-home
• started: April 24, 2026
• sold: 0
• quantity: 1
• availability: In Stock

seller intakefuelmotorcycle:

• city: Multiple warehouses
• rating: 99.2%
• # reviews: 21558

shipping intakefuelmotorcycle:

• type: Fixed
• service: Standard
• class: Standard
• cost: $0.00
• transit: 4-6 Days

general intakefuelmotorcycle:

• condition: New
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

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