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Discussion Starter · #1 ·
I’m taking delivery of my first Ducati Scrambler - a 2015 Icon w/4800km and bone stock in Melbourne this weekend.

I’m waiting for delivery of my dual conical exhaust muffler (Ixil RC2 Ironhead) which does not have an attached CAT... similar exhaust mufflers would be the Akrapovic or SC Project Dual Conicals without CATs.

The first thing I’m looking forward to doing once the exhaust arrives is to take the bike to one of the local Dyno specialists and have a full ECU custom flash/tune done after installing the exhaust + an aftermarket air filter.

MY QUESTION IS WHICH AIR FILTER WOULD YOU RECOMMEND BEING SUITABLE FOR MY APPLICATION?

- My no.1 motivator behind getting a full ECU tune done at a Dyno store is to get the bike running as smoothly & efficiently as possible. Talkings of twitchy acceleration disappearing and being replaced with a completely smooth power delivery is what attracts me about this process.

- After installing a CATless exhaust, I get the impression that also installing an aftermarket air filter will only compliment the smooth power delivery set up I’m seeking.

- I’ve read this forum quite extensively and if I were seeking gains in HP & output, the natural decision appears to be the MWR Power Up Kit. However that’s not what I’m seeking as I’m graduating from a 400cc to this 803cc so I’m not looking to blow my socks off just yet. So since I couldn’t find it myself in the forum, I’m hoping you guys can chime in with which are the most reliable, smooth running, intended for road only use air filters out there of the K&N, SPRINT, DNA, BMC or MWR options?

Thank you
 

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Good question!
air filtration is a balance of flow v filtration.
If you had of asked a few months ago I would’ve said go K&N because the power gains are there! But the trade off is for filtration.
I actually think OEM filter and an improved internal velocity stack might be the way to go. But I don’t have a ready made solution for you.
I’m guessing you’ll get a few diverse opinions because we settle ourselves into different parts of the balance between filtration and flow for our own needs and concerns.
 

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If you've read a lot on here you may have read about the difference in throttle tubes between the early and later Scramblers? Not relevant to your exact question but the 'twitchiness' of the throttle is often talked about with regard to the more aggressive throttle profile of the earlier models. I mention this as there are fixes if this is a niggle for you - G2 Throttle Tamers being one or simply getting hold of a later throttle tube.
 

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Talkings of twitchy acceleration disappearing and being replaced with a completely smooth power delivery is what attracts me about this process.
Most of those stories relate to US bikes which have different pollution hardware to Australian models. My suggestion is to take delivery of the bike and ride iot for a while in stock form before you make any decisions about engine mods.
 

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Discussion Starter · #6 ·
Really insightful feedback so far guys thank you. I might add that although it seems only prudent that I take delivery of the bike and ride it for a while before considering engine mods, my mind was made up a long time ago about replacing the exhaust muffler with this Ixil RC2 I instantly fell in love with the first time I heard it. It’s a superficial change since I just wanted something which sounded throatier and a bit bigger than the stock muffler.

So where does that leave me?

I’ve read that it is essential to get tuning/flashing done if you add a free’er flowing exhaust otherwise you risk damaging the engine. So if I inevitably go down this road, should I change my filter to a more reputable company, ie K&N? Or do you guys generally recommend I just stick with a clean OEM filter, EVEN if I am already swapping mufflers and getting a tune?

Thank you
 

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I have the Termi Race Slip-on on my 2015 Icon. Running stock filter… stock everything else in fact. The Termi came with an up-map and the bike is running sweet as ever. I got used to the 'twitchy' throttle pretty quick (i've ridden for years but had a bit of a hiatus before jumping on the Scrambler). I'd certainly echo what K1W1 is saying - fair enough, stick the exhaust on and flash the ECU but leave everything else for now?
 

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I’ve read that it is essential to get tuning/flashing done if you add a free’er flowing exhaust otherwise you risk damaging the engine. So if I inevitably go down this road, should I change my filter to a more reputable company, ie K&N? Or do you guys generally recommend I just stick with a clean OEM filter, EVEN if I am already swapping mufflers and getting a tune?

Thank you
All ECUs on motorcycles these days are learning ECUs. You can easily retune the bike after you change the exhaust by following the basic retune procedure. This is an abridged version but it should be easy enough to find the full instructions on line.

Change the exhaust
Let the bike sit until it is fully cold (overnight)
Start the bike WITHOUT touching the throttle. Let the bike idle for approximately 10 minutes WITHOUT touching the throttle.
Turn the bike off
Re start the bike and go for ride for 10 minutes
Turn the bike off
Job done.

The bit after you turn the bike off the first time is the bit I can't remember. I can't remember whether there are rev limits or other factors you need to take into account on the ride or how long you wait before you go for the ride.
As I said it should be easy enough to find the full procedure on line somewhere.
 
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