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Electronically Controlled Mid & Rear-End Exhaust System For Land Rover Defender 90/110
Electronically Controlled Mid & Rear-End Exhaust System For Land Rover Defender 90/110 | OEM-Spec Valvetronic Performance Upgrade
Our Electronically Controlled Mid & Rear-End Exhaust System is a precision performance upgrade engineered for the Land Rover Defender 90 and 110 L663 platform. Factory Defender exhaust systems feature restrictive muffler tuning and fixed valve calibration. While stock setups deliver quiet road compliance, they limit exhaust gas flow and engine tonal character. In addition, factory valves operate only under preset ECU conditions, so drivers cannot customize exhaust tone for daily cruising or spirited driving. For this reason, this electronic valvetronic exhaust kit solves factory limitations. It delivers adjustable sound profiles, improved exhaust efficiency and full JLR system compatibility.
Technical Build & Platform Fitment
Automotive-Grade Material & Precision Engineering
This complete mid and rear exhaust assembly fits all L663 Defender 90 and 110 petrol and mild-hybrid engine variants. Manufacturers fabricate the system from high-grade T304 stainless steel, which delivers excellent corrosion resistance, thermal stability and long-term durability. Every pipe section undergoes 3D chassis scanning to match original exhaust routing geometry. As a result, the system aligns perfectly with factory hangers, mounting points and underbody clearances. It adopts professional TIG welding techniques to reduce exhaust turbulence and strengthen structural integrity for consistent performance.
Electronic Valve Control & Functional Modes
Driver-Selectable Exhaust Tuning
Unlike passive aftermarket exhausts, this unit features fully electronic valve control technology. In fact, it supports multiple operational modes to suit different driving scenarios. When drivers close the valves, the system routes exhaust gas through internal muffler chambers. This configuration maintains a quiet, OEM-compliant tone for highway cruising and residential driving. When drivers open the valves, the system bypasses restrictive baffles. It delivers a deeper, sportier exhaust note while improving exhaust gas velocity. Furthermore, the electronic control module syncs with factory CAN-bus signals. It ensures smooth valve actuation without lag or abrupt tone changes.
Performance & OEM Compatibility Benefits
Improved Flow & Warranty-Safe Operation
This upgraded mid and rear exhaust system improves overall engine breathing compared to stock components. It reduces backpressure across the entire rev range, which enhances throttle response and releases subtle power gains. Meanwhile, it retains factory OPF and emissions hardware positions. Therefore, it fully complies with regional road regulations. In addition, the plug-and-play electronic module requires no ECU flashing or permanent tuning. It integrates seamlessly with stock vehicle systems and triggers zero DTC fault codes. Consequently, it remains a fully reversible, warranty-safe performance modification.
Key Technical Features
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Full L663 Model Compatibility: Precision engineered for Defender 90 and 110 factory underbody routing and mounting geometry.
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Electronic Valvetronic Control: Adjustable open/closed valve modes deliver quiet cruising or aggressive sport tone on demand.
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High-Flow Stainless Steel Build: T304 stainless construction reduces backpressure and improves thermal durability.
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Zero-Fault OEM Integration: CAN-bus friendly design preserves all factory emissions and ECU operational logic.
Product Inclusions | Informational & Transactional
Complete Performance Exhaust Package
Each order includes a full mid and rear-end exhaust assembly, electronic valve control module, mounting hardware and professional fitting instructions. Overall, this upgrade balances regulated daily usability and sport performance character. For these reasons, it stands as the ideal bolt-on performance modification for Defender 90/110 L663 owners who want adjustable exhaust tone and improved engine efficiency without sacrificing OEM reliability.
| Brand | Plumb |
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