hereby the new dyno results.
Explanation
green line:
Tritity 2in1 header with customised linkpipe/collector - Micron silencer - +2mm Throttle Body (+2TB)
62.96HP 72.09NM - 53.16lb-ft Torque
blue line:
2in2 +4mm OTR headers - BSM silencer and linkpipe.
63.31HP 75.68NM - 55.81lb/ft Torque
red line:
2in2 +4mm OTR headers - BSM silencer and linkpipe - +2TB
66.71HP 77.52NM - 57.17lb/ft
Torque
The facts:
+2TB
The +2TB I can really recommend! It gave me an +3 HP improvement and a bit more torque.
Trinity 2in1 (
http://www.xt660.com/showthread.php?...hlight=trinity)
The customized 2in1 system will give you gain improvements, weight savings and buttom clearance. But for the best results the 2in2 I can recommend.
The 'Rally Raid' XT by OTR, which has a 104mm bigbore+OTR 2in1+PP head+OTR cam, has got about 63HP according to an article I've read. Mine XT has also almost 63HP with a 103mm bigbore, but with a +2TB. Therefore the 2in1 customized Trinity is much better then the OTR 2in1.
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bike is sold:
103mm Big Bore|Nicasil cylinder (PowerSeal)|JE piston|CR 11,3:1|ported head (OTR)|Modified cam (OTR)|Powder coated head+cylinder (black)|PCIII|+2 TB l Modded 2-in-1 exhausts (Trinity+Akrapovic)|DNA stage 1 & 2 Filters|Tail Mod|XTX Wheels|XTX chain cover|XTX rear shock connecting arms|Metal footpegs|Acerbis handguards|Hyperpro springs|15W fork oil|Snorkel removed|AIS blocked|NGK CR9EK|SpeedoHealer|Reroute engine breather hose|HRC brake reservoir l Magura Hymec hydraulic clutch