Description
654Z-31T D&D Billet Cat Exhaust 2-into-1 Black for 2023-2024 Harley Davidson CVO Touring Models
This D&D Billet Cat Exhaust will get you some sound from your M8 motorcycle. Check out this sound clip we did after installing it on our 2017 Road Glide Special:
D&D 654Z-31T Billet Cat 2-Into-1 Black Exhaust
Fits 2023 & Newer Harley-Davidson® CVO Touring Models
If you want real performance from your 2023 & newer Harley-Davidson® CVO Touring, then a properly engineered 2-into-1 exhaust is essential. The D&D 654Z-31T is specifically designed for the Milwaukee-Eight 121 engine; therefore, it delivers stronger torque, improved throttle response, and measurable horsepower gains.
Unlike factory dual systems, a true 2-into-1 design improves exhaust scavenging. As a result, your CVO pulls harder through the mid-range and maintains power under touring load.
🔥 Performance Benefits
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Increased low-end torque
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Stronger mid-range acceleration
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Improved throttle response
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Increased overall horsepower
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Deeper, aggressive touring tone
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Better performance when carrying passenger or gear
Furthermore, this system supports both stock and performance builds, making it ideal for cam upgrades and custom tuning.
⚙️ System Features
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Precision billet collector design
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High-flow catalytic configuration
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Durable black finish
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O2 sensor bungs for factory or wideband tuning
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Compatible with ThunderMax®, Dynojet®, and dyno tuning
Because tuning matters, pairing this exhaust with proper fuel management maximizes both rideability and power output.
🏁 Fitment
Fits 2023 and newer Harley-Davidson®:
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CVO Street Glide
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CVO Road Glide
In short, if you’re serious about unlocking the full potential of your Milwaukee-Eight 121, the D&D 654Z-31T 2-into-1 exhaust delivers the torque curve and sound CVO riders expect.
At Cycle Solutions Inc., we focus on performance parts that produce results — not just noise.
