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    Thread: Upgrade Time!

    1. #1
      Junior Member
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      Jun 2013
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      Ontario, Canada
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      Upgrade Time!

      Got a question for the fellow Volvo S40 2.4i owners.

      Once I saw the difuser on the rear bumper of MyNameIdeasWereTaken I had to get it. I know that I can get the diffuser to fit onto my current one, but I don't wish to buy a whole new exhaust system. Is there anything that I can do to extend the exhaust pipe and make custom tips? or make my exhaust longer? Also sound wise, anything I can do?

      Appreciate the help

    2. #2
      Sound: You can de-unicorn the muffler by cutting off the closed tip (on the driver side) and pulling out all the fiber glass. That'll make things a little louder, you might also want to look into removing the resonator, but I'm not sure how that'll affect your pressure flow with an NA. http://forums.swedespeed.com/showthr...ler-looks-like

      Looks: You can have a shop cut off your down facing tip and weld on a straight tip, they can adjust the length to anything you want before welding it in place. After you de-unicorn your muffler, you can also have them weld on a 90 pipe and tip for a true muffler-back dual exhaust. You'll have to cut your lower trim (or buy a T5 trim) to fit the tips, but that's easy enough with a dremel tool and some sand paper.

      My local shop will cut off the old tip and weld on a new one for $15 a side, so it's not expensive. The real money is in buying tips you like.

      As for the diffuser I made, it was just the corners off a cutting board, you could do something similar for $8.

    3. #3
      Member s40boy's Avatar
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      Dec 2004
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      This was my $150 answer for sound on my old 2.4i :

      2005 S40 T5 - M66 - Silver w/ Off Black T-Tec - OBX 3" DP - EST Strut Bar - Auto Meter Boost Gauge - Premium Audio

      SOLD 2005 S40 2.4i -

    4. #4
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      @MyNameIdeasWereTaken

      I bought the cutout, but I hear I have to have it painted? Is this true? Or wouldn't it be just black and you stick it on?

    5. #5
      Painted? What? If the metal is not finished or at risk or rusting, I understand, but otherwise I'm not sure why it would need to be painted. I don't know a whole lot about car "plumbing" so maybe I'm in the wrong.

      Did you go with the Magnaflow cutout? I haven't had any issues with mine in almost a year, though we don't have salted roads down here.

    6. #6
      Junior Member
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      I am going with the magnaflow cutout, these tips:

      http://www.magnaflow.com/02product/s...=main&id=11294

      I am not sure which shop will cut off the top on the other side of my exhaust and make it a dual exhaust but I'll look around, they charge an arm and a leg for that kind of stuff here in Canada..

      Also I mean the diffuser:

      http://www.tascaparts.com/parts/2006...ponent=Spoiler

      This should just fit onto my original one on the 2.4i correct?

    7. #7
      Pre-facelift S40? #23 "with turbo" is the part you want. It'll be a direct fit.

      The V50s have slightly longer bumpers, so make sure you get one for an S40.

    8. #8
      Junior Member
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      My brother tells me I need to get the diffuser painted and it comes primed? I thought it was just a type of plastic no?

    9. #9
      Quote Originally Posted by McCahill77 View Post
      My brother tells me I need to get the diffuser painted and it comes primed? I thought it was just a type of plastic no?
      Yeah, it should just be textured plastic. If it's not, Rustoleum Truck bed paint will perfectly match the texture of your current black trim.