anybody running straight pipes - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 17 (permalink) Old 08-21-2011, 05:42 PM Thread Starter
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anybody running straight pipes

Is anybody running straight pipes or no canister at all if so will this affect the performance
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post #2 of 17 (permalink) Old 08-21-2011, 10:01 PM
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Its a Honda....not a Harley.



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post #3 of 17 (permalink) Old 08-22-2011, 07:30 AM Thread Starter
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I know its not a Harley my question was is anybody running them and is there a performance loss
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post #4 of 17 (permalink) Old 08-22-2011, 09:10 AM
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DEF a performance lost dude. your not getting any back pressure from your exhaust which will take away some torque and mid-range and it will also burn out your valves from being to lean. it sounds cool if you do it but dont do it for too long.
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post #5 of 17 (permalink) Old 08-22-2011, 10:49 AM
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Even on a 'barley' straight pipes can cause a power loss. Even a dated pushrod design needs some backpressure to run good on the street. Open pipes have their place, but it's called a 'drag-strip'.

Duct tape can't fix stupid...but it sure helps muffle the sound
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post #6 of 17 (permalink) Old 08-22-2011, 03:10 PM Thread Starter
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Thx for the replies
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post #7 of 17 (permalink) Old 08-22-2011, 05:26 PM
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Very bad idea
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post #8 of 17 (permalink) Old 08-22-2011, 06:00 PM
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I can tell you I have probably installed 500 sets of torque cones in my lifetime on Hardly Davidson bikes with straight or drag pipes after the owners complained of power losses. Not the best solution, but after some fool pays $700 for exhaust that costs him 5 of his precious 80hp, they usually don't want to spend much more to fix it. This is in the same category as straight velocity stack intakes. They look cool but function like shit because the air is pulled back out of the carb as it passes over the stack. I've swapped out about 500 of those too.

Not to mention people around you will hate riding next to you.
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post #9 of 17 (permalink) Old 08-22-2011, 09:05 PM
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Quote:
Originally Posted by Defender View Post
I can tell you I have probably installed 500 sets of torque cones in my lifetime on Hardly Davidson bikes with straight or drag pipes after the owners complained of power losses. Not the best solution, but after some fool pays $700 for exhaust that costs him 5 of his precious 80hp, they usually don't want to spend much more to fix it. This is in the same category as straight velocity stack intakes. They look cool but function like shit because the air is pulled back out of the carb as it passes over the stack. I've swapped out about 500 of those too.

Not to mention people around you will hate riding next to you.
Wow, now that's some tough love buddy. Well said!
Straight pipe's are great, if you're at the drag strip! Seen a couple awesome bike performances thru the 1/4 mile at our local Sacramento Raceway.
But other than that, just nothing but obnoxious.
Their are so many options for exhausts, will make any RC51 sound as badass as you can get.

John, 2000 RC51 #000100

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post #10 of 17 (permalink) Old 08-23-2011, 08:46 AM
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Quote:
Originally Posted by tim205 View Post
Is anybody running straight pipes or no canister at all if so will this affect the performance
OK mine is close, i had to put a power commander on it,and it puts out 130 on the dyno cheers buddha
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