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Discussion Starter · #1 ·
I have a custom exhaust consisting of resonator delete and muffler delete of which I just replaced both with new pipe. Now my question is do any other R's experience a loud POP! or i guess you could call it a backfire during the shift at higher rpms? I noticed it the first test drive after and though it sounded really cool until someone brought up that this might be an issue with the car. The car runs fantastic and has had no problems. Sooooo is this just another cool feature of these cars or what? :D
 

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Yea it's normal. It happens more when you go with a catless DP and get a nice flash of flame out the tail pipe :D
 

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Discussion Starter · #3 ·
Yeah I heard they shoot flames when you take out the cat. Im thinking of doing that too, is it much louder inside the car than with the setup Ive got going on?
 

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i sometimes get a backfire with the stock exhaust
 

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Did you expect it to be quiet? If you like it as loud as it is now I'm sure you won't mind taking the cat off.
 

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Discussion Starter · #7 ·
Ive owned cars without the cat before but its usually very loud inside the vehicle but I feel like the sturdy engineering those swedes did keep it a bit quieter inside than most cars. ;)
 

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Yeah they did. I feel like taking the cat off gives the exhaust a more raspy sound.
 

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The only thing bad about no cat is the smell, especially if your stuck in traffic :D
 

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Cat delete= fume smell that gets inside, but you do get nice flames. Go for it since you have experience. Pops are normal, mine sound like gunshots from time to time :D, gotta make sure I shift at 2k RPM so I don't do it in front of a cop... :eek:
 

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i sometimes get a backfire with the stock exhaust
+1 That was my experience when I first got my R.

The day I installed a full turboback exhaust on my R, I fired it up and it shot flames with pops lol. But I reset the ECU and went out to drive, within a mile or so the pops and flames stopped. Guess it takes time to adjust to it.
 

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2005 S60R, 2021 XC60 T6 Inscription AWD
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if you want to backfire drive with an open element filter for a while and then switch to stock airbox without a reset. nice backfires
 

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Discussion Starter · #13 ·
I've got a [email protected] on there now the stock air box is so bulky. And IllestR I agree, I drive under a freeway bridge everyday to work and It sounds like someone just shot a gun! sometimes I think I scare the crap out of the people who are walking under there at that time.
 

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You have a custom 3 inch with a muffler delete? Have you ever heard of the word hero? AND you want to delete the cat for more sound?! You sir are a savage and I approve of this madness! Not to mention you spelled the word custom like a numbskull. I approve of everything you have done on this forum thus far except posting pics of the beast.
 

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You have a custom 3 inch with a muffler delete? Have you ever heard of the word hero? AND you want to delete the cat for more sound?! You sir are a savage and I approve of this madness! Not to mention you spelled the word custom like a numbskull. I approve of everything you have done on this forum thus far except posting pics of the beast.
Ahh Adam, if you had only heard mine when it was running haha.
 

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My car is all stock and some days I can get a really nice pop when doing a first to third shift leaving the guard shack on the base I live on. Its always fun to scare the crap out of the gate guards. :)
 

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Discussion Starter · #17 ·
I know sound clips never do the exhaust justice but I was thinking of putting a link on here for mine (i know im a loser). And i do have pics on my only other thread I started. its "First Volvo" nothing special basically stock but i LOVE it.
 

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I love my pops and gargles on over run. Its one of my favorite things, rolling thru a parking lot, letting off and hearing a Volvo grumble like that.
 
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