Dominator ExhaustsIn StockSlip-On Mufflers

Dominator GP1 Underbelly Silencer - KTM 790 & 890 Duke

SKU: DOM-GP1-KTM890MPN: GP1-KTM890-UB•Underbelly Compact Slip-On
Verified Motorcycle Compatibility:

KTM 790 Duke, 890 Duke & 890 Duke R (2018-2024)

Emphasizes the razor-sharp scalpel personality of the KTM 890 Duke, centralizing mass and providing a crisp, snapping exhaust cadence.

Cape Town stock, 1-3 business days delivery
5-Year Manufacturer Warranty
Fitment Guaranteed
Dominator GP1 Underbelly Silencer - KTM 790 / 890 Duke - Dominator Exhausts Underbelly Compact Slip-On (DOM-GP1-KTM890)
Dominator Exhausts Authentic SpecSKU: DOM-GP1-KTM890
Commercial Fitment Service
Pricing & Availability
Price on Request

Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.

Zero guesswork: We verify motorcycle VIN & engine specs
Authorised supply channel & authentic manufacturer warranty
Direct delivery to your residence or installation workshop

Engineering & Performance Characteristics

Direct-flow shorty architecture reduces exhaust backpressure without destabilizing low-speed engine ride-by-wire fueling.

Engineered Highlights & Performance Gains

  • Ultra-minimalist underbelly layout keeps mass centralized low in the frame
  • MotoGP-inspired protective mesh end cap
  • Weighs under 1kg, dramatically lighter than bulky OEM side silencer
  • Quick 10-minute installation using factory footpeg mount

Technical Specifications

Brand & Origin
Dominator Exhausts
Product SKU / MPN
DOM-GP1-KTM890 / GP1-KTM890-UB
System Architecture
Underbelly Compact Slip-On
Material Construction
AISI 304 Stainless Steel
Surface Finish
Satin Stainless with Mesh Grid End
Sound Profile
Raw Aggressive LC8c Parallel Twin Bark
Baffle Specification
Internal Perforated Core with Moto Grid
ECU Tuning Status
Factory Fuel Map Compatible
Tuning Guidance
Direct bolt-on to factory pre-silencer; ECU remapping optional.
Manufacturer Warranty
5-Year Manufacturer Warranty
Availability & Dispatch
In Stock (Cape Town stock, 1-3 business days delivery)

Included in Box

  • GP1 Underbelly Silencer
  • Link Pipe
  • Mounting Bracket
  • Clamp

Verified Fitment List

Confirmed compatible models for Dominator GP1 Underbelly Silencer - KTM 790 / 890 Duke. Roxstar verifies model, year, and frame clearances prior to dispatch.

790 Duke890 Duke890 Duke R890 Duke GP
Custom Fitment Consultation

Not sure if your specific model year, engine size, or aftermarket luggage brackets are compatible? Our Cape Town technicians confirm all dimensions before taking payment.

Submit your bike specs for verification →

South African Courier Logistics

All orders are dispatched from our Cape Town hub via fully trackable courier services. We deliver directly to private residences, commercial addresses, or designated motorcycle performance workshops.

Nationwide Transit Times:Western Cape: 1-2 Business Days • Gauteng, KZN & Eastern Cape: 2-3 Business Days

About Dominator Exhausts

Explore the full range of performance exhaust systems, tuning accessories, and precision engineered components from Dominator Exhausts.

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Dominator GP1 Underbelly Silencer - KTM 790 / 890 Duke FAQs

Clear, evidence-backed answers regarding motorcycle exhaust fitment and supply.

How do I request fitment verification and pricing for Dominator GP1 Underbelly Silencer - KTM 790 / 890 Duke?
Click 'Request Fitment Quote' or call our Cape Town office. Provide your motorcycle make, model, year, and displacement. We confirm VIN compatibility, header sizing, and stock availability before issuing a binding quote.
Does this Dominator Exhausts system require ECU re-tuning?
No re-tuning is strictly required for stock configurations, although an optimized fuel map will extract peak horsepower and torque gains.
What is the delivery timeline for delivery within South Africa?
Cape Town warehouse stock dispatches immediately via courier, arriving within 1 to 3 business days across all South African provinces.
What warranty coverage applies to DOM-GP1-KTM890?
This unit is backed by 5-Year Manufacturer Warranty against manufacturing and material defects, supported directly by Roxstar Performance in South Africa.

Technical & Category Guides

Enquire on Dominator GP1 Underbelly Silencer - KTM 790 / 890 Duke

Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.