ATR vs TA Header Size

SpeedRacerX

Well-Known Member
Jan 20, 2014
993
262
63
51
Southern NJ
Are ATR headers bigger than the TA 3-bolt race headers, i.e. is downpipe clearance different between ATR and TA??


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jasjamz

THS Racer
Sep 30, 2004
5,353
225
63
Chicago area
The downpipe options are better with the TA Headers due to the relocation of the merge pipe. As far as runner volume Im not sure which has more. I wish I had the time to back to back the stock manifolds vs various headers on the same car at the without any other changes to see the losses or gains. I tell everyone stick to stock manifolds until you keep cracking them on passes trapping 130mph and up.
 
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