Factory resonator

[supercharged680]

With the laws getting strict in dubai and implementing crazy fines like 27000$ for street racing and 3000$ for driving a modified vehicle, i wouldn't wanna risk it big time lol so i was wondering if the stock resonator is restrictive or not?

i was planning on doing Kooks LT with no cats and a corsa touring axle-back keeping the factory resonator in place.

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[NightmareMoon]

On an otherwise stock car, removing the resonator is only worth like 2-4 hp, so its a very minor restriction.

Its got a bigger impact on cutting down on rasp and volume.

 

[PJR202]

I don't know what the inside of the resonator looks like, but one time on an old car I had, the catalytic converter was clogged up. Since I had to have it to pass yearly inspection I used a screwdriver and broke up all the insides and dumped it out. Then I put it back in place and it never failed inspection.

 

[BmacIL]

I'd replace the factory one with the Borla resonator or Magnaflow TruX dual in/out muffler. Less restriction, less weight and better sound with either.

 

[18psi]

I doubt it's worth any power gains, and it is straight through, I've checked. It just necks down inside to 2 relatively small tubes. 2.25 I think (similar to the neck down further up stream)
Lot's of speculation, but I've yet to see anyone show actual gains in a controlled test, even 2-4hp like mentioned above (which would be very hard to actually prove since 2hp is often a variation between runs on the dyno)

 

[GSLSE20B]

With CATLESS headers it will be a huge difference going to a dual 3" tru-x magnaflow

 

[LethalPerformance]

We tested the resonator vs resonator delete several different ways and the delete isn't worth anything for power, only sound and small savings in weight.

 

[GSLSE20B]

Sp headers with the stock connect xpipe vs Sp headers with magnaflow dual 3" resonator

 

[Kenbike]

I running SW long tube headers with cats into stock resonator with Ford Performance touring exhaust. At idel or steady cruising slightly louder then stock, get on it and it has a nice bark!
It is the perfect balance of sound for a old guy.

 

[havasu486]

I believe it weighs around 35 lbs.

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