Twin Upswept Side Exit Exhaust System Mini Cooper Grand Prix
Complete Mini Cooper Grand Prix twin upswept side-exit exhaust system developed with Janspeed, supplied with manifold and fitting kit for fuel-injected Classic Minis.
Details
Sound, performance and Grand Prix identity come together in this signature exhaust system.
Twin upswept side exit. Janspeed engineered. Unmistakably Cooper.
The Mini Cooper Grand Prix Twin Upswept Side Exit Exhaust System is engineered to deliver unmistakable Cooper character, combining sharper throttle response, improved engine breathing and a rich performance-focused exhaust note while visually defining the rear profile of the Grand Prix.
Developed by Mini Sport in collaboration with Janspeed, this exhaust reflects the engineering approach behind historic competition Minis: efficient flow, purposeful design and performance-led construction.
The distinctive twin upswept side-exit outlets echo classic Cooper competition styling, giving the Grand Prix an assertive stance and an instantly recognisable signature in both sound and appearance.
Complete Grand Prix Exhaust Assembly
Every element of the Grand Prix exhaust has been specified to enhance the driving experience while retaining the authentic character expected from a Cooper-inspired Classic Mini.
Improved Engine Breathing: Helps reduce backpressure and supports improved engine performance.
Sharper Throttle Response: Improves acceleration response and everyday drivability.
Rich, Purposeful Exhaust Note: Provides a motorsport-inspired tone without excessive resonance.
Grand Prix-Tuned Integration: Designed to complement the 100+ bhp engine, Janspeed injection tuning and strengthened drivetrain components used in the Grand Prix specification.
Performance-Driven Engineering
For fuel-injected Minis, the Grand Prix exhaust is supplied as a complete performance system, supporting accurate fitment, efficient flow characteristics and long-term durability.
- High-Flow Janspeed Performance Manifold: Designed to improve exhaust gas scavenging and sharpen throttle response.
- Precision-Bent Pipework: Engineered for consistent clearance, reduced turbulence and efficient exhaust flow.
- Correct Rubber Mounting & Fitting Kit: Provides the correct installation support and vibration isolation for the system.
- Twin Upswept Grand Prix Tailpipes: Polished, period-inspired tailpipe finish for an unmistakable Cooper silhouette.
This is not a universal aftermarket exhaust system. It is a Cooper-approved, Mini Sport-developed and Janspeed-engineered system created specifically for the Grand Prix drivetrain and performance specification.
Carburettor Mini Compatibility
This system is also available for carburettor-equipped Minis.
Due to differences in engine configuration, fitment and tuning requirements, carburettor applications are supplied to specification.
Customers can contact Mini Sport directly for full details, configuration options and pricing for carburettor models.
A Core Element of the Grand Prix Identity
More than an exhaust, this system is a defining feature of the Grand Prix, combining performance engineering with unmistakable Cooper styling. It delivers the character, tone and visual presence expected from a continuation car created to honour six decades of innovation, competition and British motorsport heritage.
Purpose-built. Performance-driven. Unmistakably Grand Prix.
Additional Product Information
The Mini Cooper Grand Prix Twin Upswept Side Exit Exhaust System is a performance exhaust developed by Mini Sport in collaboration with Janspeed for the official Grand Prix programme. Designed to deliver enhanced throttle response, improved engine breathing and a rich, motorsport-inspired exhaust note, this system forms a core element of the Grand Prix identity.
Supplied as a complete system for fuel-injected Minis, the Grand Prix exhaust includes a high-flow Janspeed performance manifold, Grand Prix-specification catalytic converter, precision-bent pipework and the correct mounting and fitting components. The distinctive twin upswept side-exit tailpipes reflect classic Cooper competition design while providing the durability and fitment accuracy required for modern performance use.
Engineered specifically to complement the Grand Prix performance engine, Janspeed injection tuning and strengthened drivetrain components, this exhaust system helps reduce backpressure, sharpen throttle response and enhance driver engagement without compromising everyday drivability or authenticity.
The Grand Prix Twin Upswept Exhaust is also available for carburettor-equipped Minis. Due to model-specific configuration requirements, carburettor applications are supplied to specification. Customers are encouraged to contact Mini Sport directly for full technical details and compatibility.
Whether completing a Mini Cooper Grand Prix build, enhancing a high-end performance Mini or specifying a Cooper-approved continuation project, this exhaust system delivers the distinctive sound, style and engineering pedigree associated with the Cooper Car Company legacy.
Related search terms: Mini Cooper Grand Prix exhaust, classic Mini performance exhaust, Janspeed Mini system, twin upswept side exit exhaust, Mini Grand Prix tuning parts, Cooper Car Company performance upgrades.
More Information
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