Project SEMA Scion Tuner Challenge FR-S, Getting More Power with a Ganador Exhaust

by Mike Kojima

Our first step in extracting more power from our FR-S's FA20 motor was to add an Unorthodox racing crank pulley which went pretty well.  Now we are going to take another baby step along the path of bolt on modifications by testing out a Ganador Exhaust system from Japan.

Ganador is a Japanese market exhaust that has limited distribution here.  There is no official North American distributor but the brand can be ordered through companies like RHDjapan.com and Nengun.  Ganador has a reputation for producing well made, lightweight titanium exhaust systems that are not excessively loud.  This will go well with our refined daily driver, not a Rocket Bunny theme that our SEMA car will be pushing.

Will this expensive quiet exhaust deliver and make decent power?  Let's check it out.

Read about MotoIQ's Two Project FR-S's Here!

The first thing you notice about the Ganador exhaust besides that it looks good is that it is very lightweight. The lightness is due to the use of titanium in it's construction.  It's pretty safe to say that the exhaust weighs about half that of the factory part.  The down pipe of the exhaust is stainless steel and the system uses the stock mid pipe.
The welds are very nice and the beaded hangers attach to these gusset plates to spread out the load so as not to fatigue damage the thin material over time.
The tips have a titanium burnt edge look.  This is accomplished by heating the material and dipping it in soapy water while it is still hot.
The down pipe is made of 304 stainless steel but it is very thin wall for light weight.  The downpipe deletes the secondary cat and a resonator.  It is much lighter than the stock part.
The exhaust has one machined flange up front to seal better with the hot catalytic converter and downpipe.  The flange at the mid pipe end is stamped stainless for lighter weight.  Neat details to reduce weight while keeping good durability.
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Tuesday, December 16, 2014 1:09 PM
Those swirl things are used on commercial vessel to "tune" cavitation and noise out of the propeller... Essentially absorbing energy from the flow.
If they did that, it would explain needing less sound absorbing material, thus less weight.
Mike Kojima
Mike Kojimalink
Thursday, December 18, 2014 12:04 AM
I doubt it makes any difference for an exhaust.
Thursday, December 18, 2014 11:37 AM
Been checking, it seems we use them on exhausts too... Shape is different, trying to find good pictures.
But more about have something that's easy to clean with dry steam hose than saving weight or performance. The part it's in has already been thought a turbo and 3 to 4 stages of heat recycling (preheating water for the boilers) and you just need to get 85dB or less on the observation deck without going below the condensation point of nasty sulphuric compounds (HFO's a bitch).
And yes, we have a ladder INSIDE some of our exhausts...

We have pistons of up to 90cm diameter, even you would fit ;)
Mike Kojima
Mike Kojimalink
Thursday, December 18, 2014 11:46 AM
pics would be cool.
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