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Thread: Today, fun with acetylene, sparks, and the welder

  1. #1
    Registered User 70 Cam Guy's Avatar
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    Default Today, fun with acetylene, sparks, and the welder

    For those that have seen my car before, they know my old muffler was not very well installed (by myself in a rush against the dark), and wasn't really giving me the tone I wanted. This is not to say the Flowmaster didn't sound good, it was just not the tone I was looking for.

    A couple months ago I got my hands on a lightly used Magnaflow and decided it was going on the car. Today I finally had a chance to put it on the car and I am really happy with the results. It's much less boomy and 'drone-y'. It has a nice smooth tone with some raspiness. Off throttle sound is great, though the flowmaster gives it stiff competition in this department. I am still running the short glass pack in the middle

    I've been floundering on what kind of tip to run and my buddy said I could use some of the scrap stainless from an exhaust he just made. I wet sanded a piece up and got creative with the torch. I practiced on another scrap piece to see what we could do with the coloration. After a couple trials I went to it. It's not too flashy and I'm happy with the look. I've also never met anyone else who has done it themselves

    Anyway, here are a couple pics. It's probably not for everyone but I'm happy with the outcome. I'm also proud of my welding
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    -Andy
    1973 HLS30-166105
    RB20DET swap, HKS GT2530 turbo, HKS Actuator, Hallman MBC, ebay intake manifold, ebay dump pipe, straight pipe, 14 psi boost

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    Registered User Z Speed's Avatar
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    Looks damn good Andy. You should be proud of your work. It came out very nice, congrats....
    "May the traffic be light and the curves be tight."

    "72" 240-Z
    "02" E46 M3
    "05" S40 T5
    "02" Honda Passport

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    Registered User 70 Cam Guy's Avatar
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    Thanks! I drove it into work today and I'm super happy with it. Now that it's quieter on the freeway, I am hearing things that I've never heard before. It was a little strange at first but I'm not missing the drone

    -Andy
    1973 HLS30-166105
    RB20DET swap, HKS GT2530 turbo, HKS Actuator, Hallman MBC, ebay intake manifold, ebay dump pipe, straight pipe, 14 psi boost

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    Registered User tlorber's Avatar
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    Off topic here, Andy but, what size/offset wheels are you running?

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    Registered User ajmcforester's Avatar
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    When I put a single magnaflow on my first Z it set off car alarms but wasn't loud they sound great do you have pictures of the underside?

  6. #6
    Registered User 70 Cam Guy's Avatar
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    Quote Originally Posted by tlorber View Post
    Off topic here, Andy but, what size/offset wheels are you running?
    not a problem, the combo is Rota RBR 16x8 +4 (et4) and my tires are General Exclaim UHP 205/50/16

    I love it, didn't touch the fenders and I only rub a little in the rear on hard corning (and the car is low). I had these on before I did the coilovers and they cleared the struts. Much wider tires and I'm not sure, I had a little space, squished my index finger between the tire and perch. I wouldn't go much more than a 215/50 but hopefully a shop could test fit a tire for you

    My suspension build is in the suspension forum, pretty recent post
    -Andy
    1973 HLS30-166105
    RB20DET swap, HKS GT2530 turbo, HKS Actuator, Hallman MBC, ebay intake manifold, ebay dump pipe, straight pipe, 14 psi boost

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    Registered User 70 Cam Guy's Avatar
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    Quote Originally Posted by ajmcforester View Post
    When I put a single magnaflow on my first Z it set off car alarms but wasn't loud they sound great do you have pictures of the underside?
    Sorry, none at the moment. I do have a standard short, Summit glass pack in the middle and I know that helps a lot with the noise. If you like the tone but not the noise, a basic resonator or glass pack will really help with the volume levels. Mine is in the middle next to the driveshaft

    I initially installed to cure the freeway drone with the single flowmaster that was on previously. It really tamed the tone and I didn't notice any power loss at the time
    -Andy
    1973 HLS30-166105
    RB20DET swap, HKS GT2530 turbo, HKS Actuator, Hallman MBC, ebay intake manifold, ebay dump pipe, straight pipe, 14 psi boost

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