Straight through pipe on a 535 virago

[EazyDuz]

My bike currently has an aftermarket exhaust, it is a baffled Remus exhaust. Plugs are tanned, looking perfect.
I might get some secondhand straight through pipes for the bike, but will the carbs need rejetting? The virago has 2 carbs, is it likely i would need to rejet?
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[cb1rocket]

yes you would need to if fitting straight through pipes!

[Noxious89123]

Family member had an XV1100 with slash cut straight through pipes. Jesus christ was it loud. It will piss off your neighbours, make your ears bleed, dogs bark, babies cry and eyeballs vibrate in your skull.

But it won't half put a smile on your face.

Sat behind the virago at traffic lights used to make my visor vibrate...
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'06 Honda CBR125RW-6 ~ '00 Honda CBR600F-Y ~ '07 Honda CBR600RR-7 ~ Bikeless
'53 Ford Ka 1.3 ~ '03 Vauxhall Astra SRi 1.8 ~ '52 Vauxhall Astra SRi 2.2 ~ '53 Vauxhall Astra GSi

[EazyDuz]

haha did he have to rejet? Ive read some people do, some dont, if it needs to be rejet i wont bother buying them, as im a noob with carbs and heard they are a ballache to remove
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[Noxious89123]

She

Not really sure to be honest. I know it had new carbs when it was restored as the originals were fucked, but dunno if they kept standard jetting. I may be able to find out though... If I get a reply to the text I just sent you'll have an answer.

The bike was sold a while ago but I'm still in touch with the man that fitted them. (And unfitted and then refitted them every year for the MOT )
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'06 Honda CBR125RW-6 ~ '00 Honda CBR600F-Y ~ '07 Honda CBR600RR-7 ~ Bikeless
'53 Ford Ka 1.3 ~ '03 Vauxhall Astra SRi 1.8 ~ '52 Vauxhall Astra SRi 2.2 ~ '53 Vauxhall Astra GSi

[EazyDuz]

here is a pic of the ones i might buy

https://i605.photobucket.com/albums/tt134/Kurt_V/S8300220.jpg
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[Noxious89123]

Nope, wasn't rejetted

Although that's no guarantee that it didn't need rejetting. It ran alright though!
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'06 Honda CBR125RW-6 ~ '00 Honda CBR600F-Y ~ '07 Honda CBR600RR-7 ~ Bikeless
'53 Ford Ka 1.3 ~ '03 Vauxhall Astra SRi 1.8 ~ '52 Vauxhall Astra SRi 2.2 ~ '53 Vauxhall Astra GSi

[EazyDuz]

[Noxious89123]

Fit some, do some mileage and then check the plug colour maybe? Best to get another opinion from one of the workshop gods though.
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'06 Honda CBR125RW-6 ~ '00 Honda CBR600F-Y ~ '07 Honda CBR600RR-7 ~ Bikeless
'53 Ford Ka 1.3 ~ '03 Vauxhall Astra SRi 1.8 ~ '52 Vauxhall Astra SRi 2.2 ~ '53 Vauxhall Astra GSi

[MickC]

What type of carbs does it have?
If they're CV's they'll handle a straight through well.
Once did 200+miles coming back from Exeter with the rear pipe split off from the collector box on an 81 XV750, it didn't seem to mind it.
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[EazyDuz]

[Teflon-Mike]

Easy - DONT DO IT!

There's a chap round Snowies Flats with a 535 'rat' with Slash-Cuts.....

First time I heard it pull up, I couldn't decide if it was a Harley with a piston missing, or a badly tuned Briggs & Stratton Lawn-Mower, with a rusty muffler!

SERIOUSLY they sound SHIT!

LOUD, yes.... but noise is NOT a neither a deep rumble, nor a harsh 'bark'..... it's not the exhaust tuning, its the cam-timing & firing interval.....

They just sound AWFUL

And you don't want any more 'power' because you got more than your allowed now...... so don't bother!

Suspect that to get a more 'meaty rumble' out of one of these, you'd be best going the other way, and using a pair of larger glass-pack mufflers, or cherry-bombs, to get some 'resonance' happening.
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[EazyDuz]

oh ok, ive seen a youtube vid and thought it sounded good lol, but i guess i wont bother then
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[G]

[P.addy]

Thats just a tube That is going to be loud!

I'm all for loud pipes, but running the bandit/cat/GSXR on just headers were too loud..

[stevo as b4]

As another point id love to meet an engine designer/development engineer who would admitt that changing to a completely straight though exhaust, would need no fueling tweaks to compensate.

I cannot believe how many race can manufactur'ers there were that used to say you could safely put a race can on most carb fed sportsbikes and never need to re-jet. I bet in the 90's there must have been dozens of people with knackered engines, burnt out valves etc and crap carburation all from running a straight through loud can.

[hmmmnz]

ive never ridden any bike with straight through s that didnt need re-jetting afterwards,
they always need a bit of a play to get them running as good as original,
a bit of back pressure isnt a bad thing
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[EazyDuz]

well my bike already has aftermarket pipes and runs fine, isnt rejetting just scaremongering?
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[Vincent]

It's very easy to believe your bike's running better just because it's noisier, ("SLGS - Sounds Louder, Goes Slower), but you usually find that you lose some power with straight through pipes unless you re-jet. I reckon you would lose some low end torque if you fit those pipes and I wouldn't have thought the 535 has lots of it to spare. Loud pipes can really get on your tits on longer rides and most people just fit them because they like to get attention on the street.
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[Vincent]

[EazyDuz]

[Vincent]

[EazyDuz]

well my bike already has aftermarket pipes and runs fine, isnt rejetting just scaremongering?
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[Vincent]

[EazyDuz]