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#1
01-23-2005, 06:06 PM
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back pressure
i have an 85 chevy with a 350, it has no converters, but i wanna put headers on it and i wanna cut out my glasspacks to make it louder, but im not sure if i have to have back presure or if it will be alright with just striaght pipes any info would be great thanks
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#2
01-23-2005, 07:35 PM
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Re: back pressure
I am no expert but I don't think you will have any problems. My 97 has straight pipes but it has the cats. It has had the straight pipes for 30,000 miles with no notice of problems. Also my buddy has a 2001 chevy with same exhaust with no problems concerning back pressure.
__________________
2009 Silverado 1500 2002 Camaro Z28(rebuilder) 2005 Yamaha GP1300R
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#3
01-23-2005, 07:38 PM
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Re: back pressure
I have open pipes...ie.. no mufflers or cats on my 88. Not a problem. I get a SES light now and then, but it's no worries runs GREAT! Sounds GREAT too!!!
__________________
Matthew Brough  1997 Geo Prizm -- 301,000 miles 2000 Honda Accord -- 225,000 miles 2004 GMC Yukon XL -- 223,000 miles 1987 Jeep Comanche -- 116,000 miles 
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