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My Thruxton sounded like a sewing machine until I deleted the air injection and fitted TOR pipes. Since then it sound like you opened a gateway to the best kind of hell when you open it up.
Were both done at the same time?
My bike is still in warranty so I'm reluctant to make too many changes, but the AI removal and exhaust are planned. There's a lot of chat about how much difference fiddling with the airbox makes, but I'm not quite convinced as no one seems to put numbers behind it. My gut says the time spent making snorkels and airboxes those funny shapes has been spent for a reason.
The TOR for the scrambler are still fairly pricey for what is effectively just the end. Because they won't drop off any weight either I'm still drawn most to the VW pipe mod (or the shorty mod). Just need to put a bit of time in for planning the heat shields to work out how to ensure it looks OEM...
...at the moment the plan is probably to try and pick up a full stock exhaust to butcher the rear heat shields so I have a replacement that can be kept or parted out later.
@Chak - because it brings you closer to the sound? Or just looks? TBHI'm not a massive fan, but also on the Bonneville range they bring up a load of other mods. You really need to drop or change the instruments. The Scram has a smaller headlamp, so that may work with the stock brackets/ears, but they may need changing too. Might also need to do the cables, so all round it adds up.
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hugo7
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I had them done together. I've no idea if the AI removal helps with the sound, but it looks cleaner, you can see the spark plugs, and it was supposed to help reduce exhaust blueing. Not sure it worked in that last respect.
The TORs sound great, like a Triumph twin should sound, but you can phut phut phut at low revs if you want, such as when passing a police horse.
I would expect airbox mods to make it louder, but I've no idea whether it would result in a nicer noise, especially on a fuel injected bike. Never done it on my carbed machine.
bq
My Thruxton sounded like a sewing machine until I deleted the air injection and fitted TOR pipes. Since then it sound like you opened a gateway to the best kind of hell when you open it up.