Dominator Twin Underseat Slip-On Exhaust - Yamaha YZF-R1
Yamaha YZF-R1 (2004-2008 RN12 & RN19)
Brings high-end European craftsmanship and an exhilarating scream to classic underseat-exhaust Yamaha YZF-R1 superbikes.
Includes currency-adjusted exchange rate, South African customs clearance, and insured door-to-door courier dispatch from Cape Town.
Engineering & Performance Characteristics
Includes thermal insulation foil to line the undertail plastic undertray against radiant heat.
Engineered Highlights & Performance Gains
- Twin underseat canisters fit perfectly beneath factory Yamaha tail cowl
- Saves over 4.5kg of high-center-of-gravity undertail mass
- Real pre-preg carbon fiber end caps complement aggressive tail styling
- Direct replacement for heavy factory undertail mufflers
Technical Specifications
- Brand & Origin
- Dominator Exhausts
- Product SKU / MPN
- DOM-UND-YZFR1 / UND-YZFR1-DUAL
- System Architecture
- Dual Underseat Slip-On System
- Material Construction
- AISI 304 Stainless Steel & Carbon Fiber End Caps
- Surface Finish
- Satin Stainless with Carbon Fiber Tips
- Sound Profile
- Piercing High-RPM Undertail Superbike Howl
- Baffle Specification
- Dual Removable DB Killers Included
- ECU Tuning Status
- Factory Fuel Map Compatible
- Tuning Guidance
- Bolt-on install; works with stock ECU.
- Manufacturer Warranty
- 5-Year Manufacturer Warranty
- Availability & Dispatch
- In Stock (Cape Town stock, 1-3 business days delivery)
Included in Box
- Pair of Underseat Silencers
- Y-Connector Pipe
- Heat Shield Foil
- Mounting Hardware
Verified Fitment List
Confirmed compatible models for Dominator Twin Underseat Slip-Ons - Yamaha YZF-R1. 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 Twin Underseat Slip-Ons - Yamaha YZF-R1 FAQs
Clear, evidence-backed answers regarding motorcycle exhaust fitment and supply.
How do I request fitment verification and pricing for Dominator Twin Underseat Slip-Ons - Yamaha YZF-R1?
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-UND-YZFR1?
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 Twin Underseat Slip-Ons - Yamaha YZF-R1
Provide your motorcycle make, model, year, and displacement for direct fitment confirmation and an official written quote.