JustDidIt - Modding My 2007....The 2008 Touring died.

Discussion in 'Gen 2 Prius Accessories & Modifications' started by Justdidit, Jul 9, 2012.

  1. Justdidit

    Justdidit LVNPZEV

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    Location:
    Carrollton, Texas
    Vehicle:
    2007 Prius
    Model:
    Four Touring
    Header Upgrade:
    OEM Prius Header with heat sheild
    [​IMG]

    DC Ceramic Header for Yaris Part # THC4407
    [​IMG]

    Wiper assembly removed to access header bolts from the top
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    Heat shield removed.
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    OEM vs DC THC4407
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    OEM vs DC THC4407
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    OEM I.D. 29.12mm
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    DC I.D. 32.06mm
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    OEM O.D. 28.15mm
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    DC O.D. 34.36
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    Top Yaris Manifold Header bracket - Bottom Prius
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    Swapped out the A/F sensor during the install since I rolled over 120K
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    Even with new bracket the DC bolt doesn't line up perfectly - 1st attempt of drilling a new hole failed, easy fix tho... Note the exhaust flange that was made...
    [​IMG]

    Top down shot of the installed header...
    [​IMG]

    At this time, no noticeable loss in torque (luckily for the MG2) - however the gains in the higher RPM range is def better. Doesn't appear to be any dB increase either in the exhaust...intake noise is loud enough. Can't wait to finish the exhaust with some Magnaflow mufflers.

    Keep Modding!
     
  2. Agent J

    Agent J Hypoliterian

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    Nicely done! Are you planning to upgrade the long pipe as well? Does the inner diameter of the DC back end and stock long pipe front end match?

    Not much point upgrading the header when it still converges into a small pipe. :p

    Would be good if you can have a straight pipe custom made and fit larger OEM cats along the way. ;)
     
  3. Justdidit

    Justdidit LVNPZEV

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    Vehicle:
    2007 Prius
    Model:
    Four Touring

    The DC header didn't line up with the Prius header back system. I had a custom flange made to mate the aftermarket header to the 2" piping leading into the 1st catalytic converter. Also had to get a different exhaust doughnut. Seen in the picture below, I'll try to get better pictures later.
    [​IMG]

    As I mentioned early, this was just the beginning. :)

    Next on the list is to cut off the 2nd catalytic converter and resonator and replacing them with (2) 6"x14" round Magnaflow mufflers using all 2" piping. From there I will entertain the idea of dumping the exhaust after the 2nd muffler and if its a little too loud, I may do the remainder in 2" mandrel bends and add a 7" round Magnaflow in the back.
     
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  4. Daves09prius

    Daves09prius Active Member

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    Have you thought about trying a cheery bomb glasspack?

    Cherry Bomb



    Happy Modding!;)
     
  5. Justdidit

    Justdidit LVNPZEV

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    Magnaflow has a muffler called the Magnapack #10444 with 2" in/outlet and 4" round body similar to the cherry bomb glasspacks. I used those on my first car back in '91 - wasn't a fan of the sound. Even considering such muffler I measured the oem resonator and its closer to 6" round body. So I'm pretty sure I'm going with (2) Magnaflow #12614 with 2"in/outlet 14" long and 6" round body.
     
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  6. Justdidit

    Justdidit LVNPZEV

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    Puddle lights installation.

    Thought This would be a good place for the lights.
    [​IMG]

    Found these: Aliexpress.com : Buy New !!! 9W High power IP68 DRL Daytime light Reversing Radar shape Eagle eye Led Rear backup tail lamp Full Aluminum body from Reliable daytime light suppliers on Easylink Technology Co., LTD

    [​IMG]

    [​IMG]
    [​IMG]

    A month later or so - they arrived.
     
  7. Justdidit

    Justdidit LVNPZEV

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    Installed with a 15/16 wood circle bit.
    [​IMG]
    Inside shot:
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  8. Mochabuzz

    Mochabuzz Junior Member

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  9. Justdidit

    Justdidit LVNPZEV

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    Location:
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    Vehicle:
    2007 Prius
    Model:
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    ADR S07R Wheels
    19x7.5
    42mm offset
    73mm bore
    [​IMG]

    Sunny Tires
    SN3970
    215/35ZR19
    420 A A
    [​IMG]
    Currently running with no spacers on my GC coil-over sleeves.
    [​IMG]

    [​IMG]
     
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  10. Justdidit

    Justdidit LVNPZEV

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    'Rollin on rubber bands...' - yup! Car corners even flatter than before... Have noticed a 3-4mpg loss - mainly city driven - highway not nearly as impacted...but soooo worth the look considering I'm still whooping most non-prius family cars on the road for mpg still!...
     
  11. 69shovlhed

    69shovlhed Surly tree hugger

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    you must not have the vast assortment of potholes and speed bumps we have in the nation's crapital...
     
  12. Daves09prius

    Daves09prius Active Member

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    love your prius justdidit! I can't believe it was so plain when you bought it's so awesome now!
     
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  13. kingnba6

    kingnba6 Active Member

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    i really like the mirror puddle lights you installed!
     
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  14. Justdidit

    Justdidit LVNPZEV

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    Potholes yes, legit speed bumps are not so much an issue....and the ones we do have, I've become more aware of where they are on my normal routes so I can either avoid them all together or know when/how to get around them.
     
  15. Justdidit

    Justdidit LVNPZEV

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    Thanks! They are nice n bright and easy to install. Nice to to have when the lady is walking up and the car greets her with some courtesy/security lighting.
     
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  16. Justdidit

    Justdidit LVNPZEV

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    Thanks! Ya, a few changes... Then...

    ...and now..

    [​IMG]
     
  17. 69shovlhed

    69shovlhed Surly tree hugger

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    you'd get pulled over and breathalized if you tried to weave around all the bumps in some areas... it does look sharp w/ those rims though.
     
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  18. cozmisu

    cozmisu Junior Member

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    Loveley job with the puddle-lights;
    It isn't possible to mount them a little bit furter to the exterior of the mirror, in order to light more of the pavement and less of the door?
     
  19. Justdidit

    Justdidit LVNPZEV

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    Thanks!


    Possibly, I was concerned with the light conflicting with the movement of the Mirror motor. Let me see if I have a better picture of the light and motor setup.
    [​IMG]
     
  20. exbauer

    exbauer Active Member

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    What did you do with your stock wheels? Are you willing to sell them? My chrome plated ones aren't looking so good.
     
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