Should I buy the S with slipons or Base with full exhaust

ttkarp said:

Did you read any reviews that weren't written by, or quoting the company trying to sell the more expensive item?

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Good point on the marketing aspect, however as I stated, I ran an R&D facility which housed a dynojet dynamometer - hence I tested many bikes! Short of a 2-stroke, I cannot recall a single one wherein the full system did not create more power in (practically) all areas of the power band. Usually slip ons did nothing but add a couple hp at top.

And in that position I also had the enjoyment of working with many magazine and marketing professionals - and while they were good at leaving negative details out of ads pertaining to products/companies for which they had loyalty to, I cannot think of a single time that they made up results - especially something like stating a 15% power increase where there is none! One thing magazines are paranoid about keeping their credibility.

--- Note, I say practically because you will notice on most 4 cylinder in-line motorcycle engines there is an exhaust valve located in the collector aft of the headers - this is there to attempt to smooth out the torque dip which occurs at around 5K - Yamaha is known for this occurrence. They call it the "Exup" valve. Putting a full system on an R1 will ultimately yield a little dip in torque at or around 5K. Otherwise, full system makes more power everywhere!!!!

Thank you guys for all the feed back. After doing some careful research I think I will buy the S model, the dealership recommended I brake in the motor first before adding the full exhaust. They said braking the bike will seat the valves correctly but I am leaning on the Austin Racing exhaust. I will be awaiting more info about the tuning I do not want to be a test pilot for the dealership.

....why all this conjecture...if you want the top of the line, no matter its application, it's the R that you want

Have the base with Full Termi's. Major difference between stock headers and Termi headers (50mm vs 70mm). Once I put the full system on the bike it was like night and day the engine performs better, run cooler and more HP everywhere. Low mid and high.
Made several dyno runs And i went from 174 hp to 185 hp on the rear wheel with the full system. The November 2012 (latest) up map released did not increase HP it just provided better fueling in the low and mid.

Slips for sound and Full for performance and sound either way you can't go wrong.

mark419ny said:

keep in mind raging bull that with any other company except for termi you have to buy additional stuff to tune it right. for example a power command v and autotune thats another 700

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That isn't strictly true.

The AR full system can be fitted without adding any additional hardware....

However, AR state that If you want all that the system has to offer, And more, then fitting a Rapidbike module will give you more gains.

S'pose it's all down to preference and pocket depth at the end of the day...

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