09-28-2010, 10:59 AM
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CC Member
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Join Date: Mar 2008
Location: Ocean Isle Beach,
NC
Cobra Make, Engine: Superformance #2769 Roush 427R Dart Block
Posts: 606
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Not Ranked
I did a long thread about 3 inch exhaust for Superformance. You might want to search for "Superformance Exhaust" in the search box. If I remember, there were a number of recommendations there.
Additionally, if your 418 has 351 stock port heads, stay with the 2.5 diameter. If it has AFR heads or a ported exhaust, OR HAS THE "402 HEADER"...go with the 3 inch.....my two cents. Hell, my Harley has 2 inch on just one cylinder!
I have the 3 inch packed Chambered exhaust brand mufflers on my small block 427 with AFR big port heads and wish I got the unpacked version. I've driven both. I can't tell any sound difference at speed or acceleration, but at idle they just make a meaner( but not necessarily louder) tone...much more deep.
If this is confusing feel free to call and i will explain the header, port, and exhaust issue to where it makes more sense...........916-791-7695 Happy hunting........tom
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Tom
I miss my Tazer
Last edited by wanab5150; 09-28-2010 at 11:23 AM..
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