Has anyone done this? Blackbird mufflers on a CBR1000F???
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The problem with 4-1 is the CV carbs. Changing anything from the restrictive intake to reducing back pressure in the exhaust system causes changes in how the bike runs. You can pick up a few more ponies with the 4-1 but you need to run with an open throttle. Down below in revs it will get finicky and jumpy.
#6
The problem with 4-1 is the CV carbs. Changing anything from the restrictive intake to reducing back pressure in the exhaust system causes changes in how the bike runs. You can pick up a few more ponies with the 4-1 but you need to run with an open throttle. Down below in revs it will get finicky and jumpy.
#7
Bought a set of Blackbird pipes. They certainly are not bolt on. Cbr pipe is mild steel and Bird is stainless so I assume they cannot be welded together. Will work something out. 😊 Pity owner of CBR pictured above isn't here to advise how they did it. Maybe it is a full Bird system????
Last edited by bonester; 07-05-2019 at 03:40 AM.
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