Honda CRF 450 X (2005) Evolution Exhaust System

Honda CRF 450 X (2005) Evolution Exhaust System

The Akrapovic EVOLUTION system for the CRF 450X is designed for MX and Enduro riders who know how to get the most out of the performance characteristics of the system. The system comes with a noise damper for the EU and other markets, and an approved spark arrester for the US market. PERFORMANCE Measurements of the Akrapovic EVOLUTION system on the HONDA CRF 450 X: Power & Torque: the increases in the power and torque curves are substantial, and extend over nearly the entire rpm range. This much power and torque will be a major advantage in mastering the terrain no matter where you ride. CONFIGURATION The Akrapovic EVOLUTION system for the 450X is composed of a conical titanium header tube connected to a conical titanium link pipe via a sleeve joint. The joint is secured with a silicon-shielded spring. The link pipe is welded to the muffler. The muffler is made entirely of titanium (inlet and outlet cap and inner perforation). The muffler is available with a titanium outer sleeve and comes with a noise damper for the EU and other markets, and an approved spark arrester for the US market. The muffler is attached to the bike with a carbon-fiber Offroad clamp. The system is also available with an Akrapovic carbon-fiber heat shield, which is attached to the header tube. max. rear wheel power HP / rpm (measured on Dynojet ATV) CONFIGURATION interference crossover tubes PERFORMANCE stock AKRAPOVIC max. increased power 42.5 / 7900 43.6 / 8000 4.2 / 9500 - lambda sensor - header tube inner sleeves TITANIUM CNC MACHINED header tube flanges S.S. CNC MACHINED header tubes - collector connection link pipe - muffler connection - WELDED collector / header tube - link pipe connection muffler inlet cap /outlet cap ADDITIONAL DATA SLEEVE JOINT + SILICON SHIELDED SPRING TITANIUM / TITANIUM muffler metal interior TITANIUM muffler outer sleeve TITANIUM muffler clamp CARBON-FIBER OFFROAD muffler bracket - muffler insert CONFIGURATION header tubes collector link pipe material TITANIUM - TITANIUM tube shape CONICAL - CONICAL EU NOISE DAMPER heat shield CARBON FIBER US SPARK ARRESTER catalytic converter - Description weight comparison (kg) noise measurements (db / rpm) possibility of periodic service without removing A.E.S. legal for street use stock 4.69 stock AKRAPOVIC RACING EVOLUTION stock - RACING difference stock - EVOLUTION - 2.60-2.09 AKRAPOVIC 93 / 4500 94.6 / 4500 oil YES oil filter Technical specifications of Akrapovic exhaust systems and related products subject to change without notice. NO YES 2

Exhaust Photo CARBON-FIBER MUFFLER CLAMP 3

Bike Photo 4

Bike Photo 5

104678 (M-TTH4D6) FULL TITANIUM MUFFLER 104680 (S-H4MET6-DTT) 101925 (P-33) INNER SLEEVE 104677 (H-H4MET6) HEADER TUBE 101873 (P-F6) FLANGE Schematic 101961 (P-ST2AM) STICKER 103513 (P-HF114) HANGING FITTING ASSEMBLY 102234 (P-S2) SPRING 103950 (P-MCTD20) CARBON-FIBER CLAMP 104263 (V-TUV037) NOISE REDUCTION INSERT 104261 (P-HF135) FITTING ASSEMBLY 6

104679 (M-TTH4D6A) FULL TITANIUM MUFFLER 104681 (S-H4MET6-DTTA) 101925 (P-33) INNER SLEEVE 104677 (H-H4MET6) HEADER TUBE 101873 (P-F6) FLANGE Schematic 101961 (P-ST2AM) STICKER 103513 (P-HF114) HANGING FITTING ASSEMBLY 102234 (P-S2) SPRING 103950 (P-MCTD20) CARBON-FIBER CLAMP 104015 (P-SA004) SPARK ARRESTER 104261 (P-HF135) FITTING ASSEMBLY Product code: 7

45 40 35 AKRAPOVIC EVOLUTION EXHAUST STOCK EXHAUST Diagram / Chart 42,5 40,0 37,5 35,0 WhlPwr 30 25 32,5 30,0 EngTrq 27,5 20 15 4000 5000 6000 7000 8000 9000 10000 EngSpd RPM (Sorted) 25,0 22,5 20,0 8