MRT axle back

Discussion in 'Generation 4 - Performance Upgrades' started by DARTHSHO, Dec 29, 2019.

  1. skyshadow07

    skyshadow07 On a mission to get below 4000lbs

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    Yeah, turbos are legally mufflers in some states for state sound exhaust inspection. I could see larger ones letting more sound through.
     
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  2. DARTHSHO

    DARTHSHO SHO Member

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    Catless down pipes that’s it
     
  3. DGrot777

    DGrot777 New Member

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    I wanted to do this setup but now I don't know. I already have the MRT exhaust installed on the car... Guy from Michigan made a Youtube video with the same setup (Livernois catless DP) and it sounds a lot more tame than that. Wish someone else has some experience with this exhaust. Also if you know anyone who had a Canadian car with black wrapped roof, MRT exhaust and Diablosport wallpapers saved to the car, hey I bought your car
     
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  4. Sgtmeatsauce1

    Sgtmeatsauce1 2013 SHO +pp

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    X pipe will lower some drone, hooker straight through long tube exhaust worked well for my last 3 cars....Flowtech now makes them 35 a piece called Purple Hornies....
     
    Last edited: Apr 16, 2020
  5. DGrot777

    DGrot777 New Member

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    X pipe hooked up where? I'm not trying to delete the resonator. Personally I'm not a fan of glasspacks.
     
  6. SM105K

    SM105K Streetlight Grand Prix Champ/ IG @egocheckersho

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    The third cat and stock resonator are a restriction. However, you can purchase a Magnaflow Resonator with a built in x pipe.
     
  7. DGrot777

    DGrot777 New Member

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    How much with that change the sound? I want the downpipes for sure.
     
  8. SM105K

    SM105K Streetlight Grand Prix Champ/ IG @egocheckersho

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    Not much. The stock mufflers are not a restriction and keep things sounding good and quiet. I have PPE catted DP's with a custom mid pipe setup with MagnaFlow resonator running through stock mufflers. Sound isn't much different than stock.
     
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  9. DGrot777

    DGrot777 New Member

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    So you think if I followed your setup it would sound raspy with the MRT axle back? I want it louder just not raspy, and I want to work with what I have.
     
  10. SM105K

    SM105K Streetlight Grand Prix Champ/ IG @egocheckersho

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    All of the aftermarket catback exhausts for the 3.5EB motors across the platform all sound like garbage and are raspy. These motors just dont have a mass appealing sound.

    I have video clips of how my car sounds in my build thread.

    Honestly the best mod for sound on these cars.......Anthony's Upgraded TQ mounts. They completely change the sound of the car in the cabin for the better. They also do wonders for wheel hop, launches, and shifts.
     
  11. DGrot777

    DGrot777 New Member

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    I'll take a look, I always get sound opinions before I do anything. Right now the MRT sounds good by itself. I'll contact Anthony as soon as I can, I'm waiting to get a powerpack and downpipes before I pick up his trans mounts. I really like how this sounds though. (Not my video, just sharing)
     
  12. skyshadow07

    skyshadow07 On a mission to get below 4000lbs

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    Engine Masters just proved H pipes are better than X pipes.. Fun fact
     
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  13. Zpak

    Zpak Es Aich Oh!

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    Link?
     
  14. DGrot777

    DGrot777 New Member

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    That's what I thought as well. I might just not even touch it for daily driving sake...
     
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  15. Zpak

    Zpak Es Aich Oh!

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    I’ve always been under the impression that the H was ideal for old Fords specifically due to the firing order, but modern benefited more from X.
     
  16. Sgtmeatsauce1

    Sgtmeatsauce1 2013 SHO +pp

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    Heard X was better for low end and H pipe for top end.....
     
  17. Zpak

    Zpak Es Aich Oh!

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    Unfortunately, all my knowledge (marginal at best) of exhaust theory is out the window with forced induction.

    still waiting for that link. ;)
     
  18. skyshadow07

    skyshadow07 On a mission to get below 4000lbs

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  19. skyshadow07

    skyshadow07 On a mission to get below 4000lbs

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    Zpak, if your knowledge bank is based off forums, parents or grandparents or just old track guys (like my has been) then you should really watch this show. Things I swore by have gotten proved wrong.. For example, single y pipe 3" makes more power than dual 2.5" exhaust. And it makes more along the WHOLE curve. You tell that to an old school guy and he'll laugh at you.
     
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  20. SM105K

    SM105K Streetlight Grand Prix Champ/ IG @egocheckersho

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    Engine Masters did a bunch of cool stuff however, they never really dabbled into turbo exhaust set ups. As we know the best N/A exhaust setups isn't always the best for an FI setup. There is a reason most turbo guys elect a hood or fender dumps on their street cars. That being the least amount of back pressure.

    That being said, I picked up almost 25 ft of tq when I added my custom straight pipe mid pipe set up. I want to add an X pipe to it as well. In theory the X's more scavenging ability would work better on a turbo set up because of the increase exhaust volume and the speed of the pulses going through the exhaust pipes. I will test this theory on the dyno, because I do want to incorporate an X pipe into my custom set up.
     
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