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	Rating Thread / Thread Starter	Last Post	Replies	Views
	Pypes X Crossover w G-Force 4L80E Crossmember HWYSTR455	11-21-2019 04:51 PM by Skip Fix	10	6,490
	Exhaust Weights to Stop Interior Resonance allenga	06-15-2020 10:55 PM by PunchT37	6	6,474
	After 37 Years, the Humbler VOE GTO Returns ( 1 2 3) Tom Hand	12-21-2007 02:59 PM by speedshopmike	50	6,316
	Flowmaster 10s FTW!!!! ( 1 2) 92GTA	05-08-2019 09:34 PM by 92GTA	28	5,982
	Pypes vs bender.... ( 1 2) kingbuzzo	10-06-2023 12:10 AM by kingbuzzo	33	5,864
	Jegs or Summit 2 1/2 Exhaust Kit for 70-81 T/A John Milner	07-08-2020 11:19 AM by Formulajones	18	5,740
	3" for first gen firebird? leeklm	06-29-2019 12:08 PM by 69FIREBIRD76MM	9	5,602
	Differences with Ram Air III D-port repo manifolds Seventy8_TA	08-18-2020 12:04 PM by rustedgoat	8	5,552
	What will a 230 hp 400 gain with ram air exhaust manifold ( 1 2 3 4) footjoy	02-22-2017 08:29 PM by SD455DJ	78	5,511
	3" round vs 3.5" oval ?? 67 455 Bird ragtop	07-18-2019 05:07 PM by 92GTA	4	5,390
	New exhaust day ... my old one joins the wall of shame! NeighborsComplaint	10-09-2021 02:09 PM by Skip Fix	16	5,383
	Flowmaster transverse muffler? ( 1 2 3 4) larry davis	12-09-2007 06:13 PM by Z Code 400	64	5,357
	Replacing 2-1/2" system w. 3" ... is it worth it? NeighborsComplaint	06-11-2019 12:03 AM by Lee	10	5,274
	Check These Out! OBX Headers for A-Bodies. ( 1 2 3) BLANK1	10-30-2012 07:13 PM by Silver Judge	55	5,029
	HP Loss with Flowmaster 40s? PDC	10-23-2019 12:17 PM by Murf	15	5,026
	Is Ram Air any good? ( 1 2 3 4) redhawk44	03-04-2017 06:55 AM by 1967Tempest	68	4,917
	Parts Place exhaust system tjs72lemans	06-08-2020 02:39 PM by 389	6	4,905
	Street car mufflers ( 1 2 3) 69f bird	09-16-2018 07:48 PM by Formulajones	57	4,887
	Will Pypes Stainless Rust ( 1 2) ITSBACK	09-25-2020 10:13 AM by Shiny	25	4,758
	Crossflow Photos ( 1 2 3 4 5 ... Last Page) Tom Hand	11-09-2009 09:21 PM by Z Code 400	204	4,754
	3" Pypes Street Pro exhaust for my 66 GTO Chris-Austria	03-04-2020 03:49 PM by Chris-Austria	13	4,738
	Race Pro drone needs to go ( 1 2) sjdiesel	01-17-2019 10:27 AM by Formulajones	39	4,708
	Anyone have experience with Waldron exhaust? neasb	06-14-2021 12:54 PM by catc	5	4,693
	New RA exhaust manifolds from Pypes ( 1 2) Blackened	01-20-2016 10:44 PM by Ccass	36	4,619
	New tri-y's ORDERED!!! ( 1 2 3 4) arrowem	03-08-2011 03:46 PM by sphynx88	65	4,601
	Using graphite spray on exhaust manifolds ( 1 2) T.Weber	01-01-2024 10:30 AM by 78w72	29	4,545
	Opinion of RamAir Manifold condition 67GTONUT	12-24-2019 05:15 PM by antique69lemans	4	4,508
	Header bolts ITSBACK	10-10-2019 10:33 AM by HWYSTR455	9	4,376
	Ram Air Restorations D-Port header feedback ( 1 2) sixty8ragtop	07-27-2014 11:06 AM by PontGuy	27	4,368
	Log style modular headers JC455	04-19-2020 08:12 PM by 77 TRASHCAN	2	4,347

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