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  Im installing new muffler, probabaly a thrush. What are the inlet and outlet? Thanks

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Im installing new muffler, probabaly a thrush. What are the inlet and outlet? Thanks by FieroGT-987
Started on: 09-10-2013 11:54 PM
Replies: 10 (254 views)
Last post by: steve308 on 09-11-2013 07:38 PM
FieroGT-987
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Report this Post09-10-2013 11:54 PM Click Here to See the Profile for FieroGT-987Click Here to Email FieroGT-987Send a Private Message to FieroGT-987Edit/Delete MessageReply w/QuoteDirect Link to This Post
I have stock 2.8 1987 gt
Putting on a new thrush muffler. What inlet and outlet do i need to buy? And does it have to be the three hole muffler, one in, two out? Thanks. Im a noob haha
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fierogtlt1
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Report this Post09-11-2013 12:25 AM Click Here to See the Profile for fierogtlt1Click Here to Email fierogtlt1Send a Private Message to fierogtlt1Edit/Delete MessageReply w/QuoteDirect Link to This Post
Is the Thrush #17638 ?
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trotterlg
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Report this Post09-11-2013 12:35 AM Click Here to See the Profile for trotterlgClick Here to Email trotterlgSend a Private Message to trotterlgEdit/Delete MessageReply w/QuoteDirect Link to This Post
Stock is one in and two out. Larry
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FieroGT-987
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Report this Post09-11-2013 12:48 AM Click Here to See the Profile for FieroGT-987Click Here to Email FieroGT-987Send a Private Message to FieroGT-987Edit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks, are you sure its 1 in 2 oit? I saw a lot of different things online, and also, can a mechanic make a 2 or 2 1/2 fit the in by welding or a connector or clamp or something? Or does it have to be exact measurements?
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Report this Post09-11-2013 12:52 AM Click Here to See the Profile for trotterlgClick Here to Email trotterlgSend a Private Message to trotterlgEdit/Delete MessageReply w/QuoteDirect Link to This Post
Stock Fiero is one in and two out, first it goes to the the Cat, then to the muffler and then splits (two out of the muffler) to the the exhausts. Any pipe size can be adapted to any other, but it best to get what your car has now going into the exhisting muffler. Larry
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fierogtlt1
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Report this Post09-11-2013 12:54 AM Click Here to See the Profile for fierogtlt1Click Here to Email fierogtlt1Send a Private Message to fierogtlt1Edit/Delete MessageReply w/QuoteDirect Link to This Post
Thrush Muffler #17638
Single Inlet. 2-1/2"
Double Outlet. 2-1/2"

[This message has been edited by fierogtlt1 (edited 09-11-2013).]

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FieroGT-987
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Report this Post09-11-2013 01:12 AM Click Here to See the Profile for FieroGT-987Click Here to Email FieroGT-987Send a Private Message to FieroGT-987Edit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks a lot guys!
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FieroGT-987
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Report this Post09-11-2013 07:43 AM Click Here to See the Profile for FieroGT-987Click Here to Email FieroGT-987Send a Private Message to FieroGT-987Edit/Delete MessageReply w/QuoteDirect Link to This Post
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steve308
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Report this Post09-11-2013 11:43 AM Click Here to See the Profile for steve308Send a Private Message to steve308Edit/Delete MessageReply w/QuoteDirect Link to This Post
Appears to be the same part # you were given above! You can always measure your old muffler for the "body length" for comparison.
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fierogtlt1
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Report this Post09-11-2013 12:41 PM Click Here to See the Profile for fierogtlt1Click Here to Email fierogtlt1Send a Private Message to fierogtlt1Edit/Delete MessageReply w/QuoteDirect Link to This Post
Original 2.8L. Fiero Muffler

12" Length.
9-5/8" Width.
5" Depth.

Thrush Muffler #17638

15" Length.
9-1/2" Width.
4" Depth.

I hope that helps you.

[This message has been edited by fierogtlt1 (edited 09-11-2013).]

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steve308
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Report this Post09-11-2013 07:38 PM Click Here to See the Profile for steve308Send a Private Message to steve308Edit/Delete MessageReply w/QuoteDirect Link to This Post
putting them all togetrher
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