exhaust question...
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This is a discussion on exhaust question... within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; i just bought an exhaust for my 02wrx [i'll keep the brand under the radar lol] &i was thinking of ...

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    Question exhaust question...

    i just bought an exhaust for my 02wrx [i'll keep the brand under the radar lol] &i was thinking of installing it myself...my question is: how much torque should i put on the bolts to connect the 3" pipping??? any answers would be greatly appreciated! thanx!

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    oh yeah forgot to add, its a direct bolt. no welding needed.

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    Registered User teflon_jones's Avatar
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    Which bolts? The ones holding the midpipe to the downpipe or the bolts holding the midpipe to the axleback?
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
    '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
    '04 Porsche 911 Turbo GT2 clone 600 HP/TQ
    '77 F-150 heavily modded for off-roading

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    lets just say the whole exhaust system from engine to muffler. just in case i need to replace something under there. the more detailed info the better i'll feel after i install this baby! so feel free.

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    DUB
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    Tight, but not too tight. I mean, your margin of error is pretty gracious when connecting exhaust pipes to each other. Except the head to exhaust manifold; I wouldn't break off any bolts in there.

    Consult your factory service manual for all torque specs.


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    thanx for the info i will check up on that. if anyone else has more info on that please let me know.

    only thing now is that fedex failed to make a 2nd attempt to deliver my package so now i have to wait till tuesday to receive my package! they had about 6 1/2hrs to do so and didnt! the one time they dont leave my package on my porch! fedex home delivery business days are tues-sat??? whats that about!!??!!??!

    nothing else i can do other than wait. which im good at lol.

    i will post pics & video of my wrex so everyone can see & hear how it turns out!

  8. #7
    Registered User teflon_jones's Avatar
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    The torque specs are about 44 ft lbs for the DP/turbo and 30 something for the ones farther back if I remember correctly. What EM are you going to use with the exhaust? Any other mods on the engine?
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
    '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
    '04 Porsche 911 Turbo GT2 clone 600 HP/TQ
    '77 F-150 heavily modded for off-roading

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    great info! im not doin any big mods at all. just want to get that low growling sounds from this bugeye. dont really have the $$$ to mod.

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