All Things Mk5 > Performance Modifications

Is Resonator Delete a performance Mod?

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fsgti:
Hi all,
I was looking to get a resonator delete on my 2007 MK5 gti. I spoke to my insurance company but the agent didn't really know much about modifications and just said that as long as it's a non-performance exhaust then I wouldn't be charged anything extra. I won't however be insured for anything performance based.

My question is: would a resonator delete be considered a performance mod?

My opinion is that it's not as the increase in bhp is very small and it's main purpose is to make the car sound better rather than increase power.

Any thoughts?

Thanks

SANDEGTI:
Honestly, insurance companies consider pretty much anything but stock parts as performance mods. It should be in their interest to do a bit of research and give you a definitive answer, perhaps call them again as yours seem quite relaxed!

fsgti:

--- Quote from: SANDEGTI on June 11, 2022, 09:12:30 pm ---Honestly, insurance companies consider pretty much anything but stock parts as performance mods. It should be in their interest to do a bit of research and give you a definitive answer, perhaps call them again as yours seem quite relaxed!

--- End quote ---

I probably will give a call again to try and talk to someone who is a bit more clued up on this stuff. Or even see if they can talk to one of the underwriters. The agent on the phone said that their definition of ‘performance exhaust’ is one that increases flow rate and causes a bhp increase. So they just said just make sure it doesn’t cause a bhp increase. A resonator delete however only ever so slightly increases
bhp because there is slightly less restriction on exhaust.

TheBALDpuma:

--- Quote from: fsgti on June 12, 2022, 10:29:00 am ---
--- Quote from: SANDEGTI on June 11, 2022, 09:12:30 pm ---Honestly, insurance companies consider pretty much anything but stock parts as performance mods. It should be in their interest to do a bit of research and give you a definitive answer, perhaps call them again as yours seem quite relaxed!

--- End quote ---

I probably will give a call again to try and talk to someone who is a bit more clued up on this stuff. Or even see if they can talk to one of the underwriters. The agent on the phone said that their definition of ‘performance exhaust’ is one that increases flow rate and causes a bhp increase. So they just said just make sure it doesn’t cause a bhp increase. A resonator delete however only ever so slightly increases
bhp because there is slightly less restriction on exhaust.

--- End quote ---

So in your own words - taking away the resonator both increases flow rate, and increases bhp (if only by a little bit).  The insurance company have said that it's a performance mod if it "increases flow rate and causes a bhp increase".  You've answered your own questions right there.  It will be black and white, not grey - any mod that might increase bhp will definitely be a performance mod. Otherwise where do you draw the line... 1bhp? 5bhp? 10bhp? etc.

bobby_fodge:
Just declare it as a mod.

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