Thorley Headers???
Thread Starter
Senior Member
Joined: Apr 2003
Posts: 717
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From: pittsburgh, PA
Car: 84 Firebird Trans Am
Engine: 305 4bbl HO
Transmission: 700-R4, 3.73 rear
Thorley Headers???
does anyone have these or has ever heard of them? the custom exhaust shop in my coty says they r some of the best and r the ONLY headers that they've put on that haven't come back for ANYthing. so how r they?
Thread Starter
Senior Member
Joined: Apr 2003
Posts: 717
Likes: 0
From: pittsburgh, PA
Car: 84 Firebird Trans Am
Engine: 305 4bbl HO
Transmission: 700-R4, 3.73 rear
the custom exhaust shop in my coty
Senior Member
iTrader: (2)
Joined: Sep 2002
Posts: 766
Likes: 0
From: Central Va.
Car: 82' Z28 IROC Clone (SOLD)
Engine: 355
Transmission: Built TH-350
Axle/Gears: 3.73 Moser 12 bolt
I haven't seen those headers for a thirdgen..You must get headers made for our cars, Others wont fit!
I had a set of their headers a few years ago on my car. I thought they were SLP Tri-Y's at first, but there were mild steel - not stainless. I called Thorley and the rep I spoke with told me that they made them for 3rd Gens at one time. They worked great for me, but the ground clearance wasn't that great w/ the y-pipe.
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