I just got the pypes 2.5" transverse muff setup for my 455 with headers last summer...no major issues and sounds good...decent price too
The exhaust tips are a tad too short for my car tho
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Esquire
'74 T/A 455 Y-code SD clone
previously on Dawson's Creek:
'74 T/A 400
'81 AMC SX/4
'69 FB 350
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