Hi guys has anyone tried these exhausts for xt660r was wound earring what they like for sound and quality they are about �260 for set looking to replace standered ones on my 2009 😎

I know of a few guys running them they are not bad for the price.

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Mods that I have done to my XTX's

My 04 XTX
Stage 1 & 2 DNA filters / Kev fuel mod / snorkel mod / Drilled air box mod / Engine breather mod / Fork Spacer mod / 15w fork oil /
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My 07 XTX
Raptor 700 cylinder 102mm / Modified Crank Case to take a 105mm Raptor Cylinder / 11:1 102mm JE Raptor piston / Stage 1 Raptor Hot Cam / Ported head / Colder Spark Plug / +2mm Throttle body / DNA stage 1 & 2 filters / Modified Air Box / Snorkel removed / Worry Brothers stage 2 filter cover / 6mm & 8mm Bolts Replaced with Titanium Bolts / Recovered seat in Black / O2 Eliminator /

My 09 XTX
59HP at the rear wheel / Stage 2 Raptor Hot Cam / DNA stage 3 Air Box / Carbon Can Exhausts / Modified Exhaust Link Pipes / PCIII With Custom Fuel Map / Wideband Commander O2 Data logger / LCD100 Dyno Jet display & fuel adjuster / 2500 OHM HT lead instead of a 10K OHM XT lead / Extra Coolant Cooler / Protaper Fat Bars / Tail Tidy With LED Tail Light / OKE Protection Knobs / LED indicators / AIS blocked / Modified rear sprocket rubbers / Rear Foot Pegs removed / 09 ECU With 02 Sensor Changed To A 06 ECU / Complete wiring harnes Changed from 09 to 04 / Home made LED resistor flasher / Hole drilled in the fuel tank filler neck to allow quicker filling / Modified Bar End Weights / Progressive front fork springs, 15W fork oil, forks lowered 25mm, used XTR rear links lowering the rear 20mm, rear spring one click stiffer / Changed front & rear guards from blue to black / 47T rear sprocket / Speedo Healer V4.0 / Kev throttle cam mod / Throttle grip mod / The new 2010 O2 sensor mod is out, works a treat, The new 2012 O2 Controller is out, PM me for details

Now ride a 2018 MT09SP ABS + TCS

My KTM 990 SMR Mod book. http://www.ktmsmt.com/viewtopic.php?f=13&t=4946

may be of help:

http://www.xt660.com/showthread.php?t=22918

Hi from Australia Guys,I have a new set of 450 mm oval Stainless Delkevics,very happy with the finish and build quality,they did take a bit of time to fit,to get everything lined up .First I tried them without the rear inserts,wow these things are loud!!!,far too loud to use on the street with any level of comfort.I then put in the supplied db killer inserts,and that brought the volume down to a more bearable level----just.
I emailed Delkevic Australia and they got back to me straight away with the option of some extra long db killer inserts of which I purchased for $90 Aus inc freight,I have just fitted these and I think they bring the noise down slightly?,but still not as much as I had hoped.
The pipes have transformed the way the bike rides,I have both Kev Mods,and a stage 3 Filter,on the highway my bike now hammers where before it wheezed up to 140KMH + and will cruise comfortably on 120 plus,whereas before you could feel it was being strangled by the intake and exhaust.
All in all I am very happy with the pipes,and for the price ,you cannot go wrong (but don't forget the earplugs!!!)i

I had a set on my xt660r they are very good quality and I am in the trade . Sound really nice not over loud just nice and deep with baffles in . I only took mine off 2 weeks ago (and was gutted ) as I have bad ears. I would not think twice of buying another pair if my ears were ok. Buy them you will not be disappointed. Ps one thing I would say to all riders use ear plugs from years of riding and then 2 years ago doing 2000 miles on an xt660x with aftermarket cans on in 3 days fecked up my ears for good. I now have bad tinnitus and any wind roar even with plugs in feels like hell. Trust me just google it how many bikers end up in trouble with there ears. It really is not worth it trust me the pain is not good.