Akrapovic Evolution Titanium Exhaust – Honda CRF450R / CRF450RX (2021–2024)
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Akrapovic Evolution Line Exhaust System – Titanium – Honda CRF450R / CRF450RX (2021–2024)
Part Number: 1820-1991 / S-H4MET16-FDHLTA
📝 Description
Get championship-level performance with the Akrapovic Evolution Line Exhaust System for the Honda CRF450R and CRF450RX. Built entirely from premium titanium, this full race system offers a substantial weight reduction while enhancing power delivery and throttle response. Designed to meet FIM noise standards, it includes a spark arrestor and is ideal for riders pushing the limits on the track or trail.
⚙️ Features
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Constructed entirely of lightweight titanium
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Durable welded bracket and conical titanium end cap
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Weight-saving design: over 2.2 lbs lighter than stock
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Includes spark arrestor
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Meets FIM noise limits
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Closed-course competition only – not legal for street use
🚦 Fitment
Compatible Honda Models:
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2021–2024 CRF450R
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2021–2024 CRF450RX
📐 Specifications
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Product Name: Exhaust System
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Type: Race Exhaust System
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Model: Evolution Line
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Design: 1-Into-1 System
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Material: Titanium
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End Cap Style: Conical
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Weight: 6.4 lbs (System), 10.8 lbs (Shipping)
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Weight Reduction: 2.2 lbs
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Dimensions: 34.5" (L) × 12" (W) × 11" (H)
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Units: Each
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Riding Style: Off-Road
📦 Part Notes
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Includes spark arrestor
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Designed for racing use only – not intended for street-legal vehicles
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
