Dominator GP1 Underbelly Silencer - KTM 790 & 890 Duke
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.

Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.
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.
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.
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?
Does this Dominator Exhausts system require ECU re-tuning?
What is the delivery timeline for delivery within South Africa?
What warranty coverage applies to DOM-GP1-KTM890?
Technical & Category Guides
- Dominator Exhausts Brand ShowcaseExplore all performance products and engineering heritage from Dominator Exhausts.
- Performance Products CatalogBrowse all 220+ performance exhausts, headers, and tuning upgrades.
- Fitment Confirmation GuideLearn how we verify motorcycle year, model, and sensor bung specs.
- Exhaust Tuning & Fuel MappingECU tuning, fuel management, and air-fuel ratio advisory.
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.
