looney tuned slip on need info!

[redneckoutty]

I have a 2011 outlander 800 can I run a slip on exhaust without an optimizer? Is it safe to run it without one? I've heard it will cause it to run lean and cause catastrophic engine failure. Thanks.

 

[DaveB]

You should run a tuner. Those "optimizers" are crap. Run a PowerCommander 3 or 5 with a proper tune. These guys in Edmonton have a chassis dyno and the know-how to make it perfect:

 

[redneckoutty]

But will it do any harm to the engine? Shouldn't the efi adjust enough to run a slip on?

 

[DaveB]

The EFI will not adjust for the pipe or any changes to the intake (snorkles, free-flow filter, high-flow intake). The 06 to 08's were OK with a slip-on pipe as they ran a bit fatter. The 09 and newer will run VERY lean in the low and mid range, slightly lean in the high end, and will be noticably hotter when you add a slip-on pipe. Lot's of guys do it...but it's not a good idea.

 

[KWIK RACING INC.]

yes i agree with dave. he is 100% correct. and if you want to do some tuning, go see kevin or quinn at get torqed. believe me!

 

[campingnut]

I also agree you will need to tune it.