Another header question
Thread Starter
Race Director
Joined: Sep 2003
Posts: 16,836
Likes: 337
From: Database Error Indiana
Another header question
Where is the biggest restriction in the L98 exhaust? The stock shorties? The precats? The main cat? Mufflers? I have stock shorties, no cats, Flowmasters, how much will I gain going to longtubes?? Being snowed in is making me crazy so I came up with this.
Large Impressive Member
Joined: Jul 2003
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From: Good health is merely the slowest possible rate at which one can die
St. Jude Donor '04-'05-'06-'07
The long tubes should give you a kick you can feel. If I were you with an L98, I'd pick up a stock LT1 system (real duals) as are sold cheaply or given away here on the forum frequently, throw your mufflers on it and I'll bet you'd pick up a good 20 or so along with the headers.
Race Director
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From: St. Peters MO Sometimes you have to prove yourself by doing alot of killing or alot of dying...
All of what you listed is a performance hindering part on the L98. LT headers are almost a must, but you'd do well with a set of 1 5\8th primaries and aftermarket cats. The L98 is a torque monster and needs some back pressure... plus that you won't be killing our fresh air. 
Thread Starter
Race Director
Joined: Sep 2003
Posts: 16,836
Likes: 337
From: Database Error Indiana
Thanks for the input. We don't have smog checks here but someday it will happen. I saw a liink on another thread(N C Kid confession thread 
) to Pypes, a co. that makes converters for a fair price. I may get them if its in the budget. I havent gotten a 40 hour week in months and its not helping.
) to Pypes, a co. that makes converters for a fair price. I may get them if its in the budget. I havent gotten a 40 hour week in months and its not helping.
Thread Starter
Race Director
Joined: Sep 2003
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From: Database Error Indiana
Originally Posted by kenv
aren`t the C-5s a single exhaust pipe?
Burning Brakes
Joined: Oct 2002
Posts: 1,193
Likes: 1
From: Meadville PA
diameter makes a big differance.. 3" single 2.25" dual.. the voluume is what makes the diff.. restriction is the biggest obsticle in the exhaust world always has been.. i would also be curious if a single 3" mid pipe could flow like two 2.5 dual pipes out teh back anyone have some numbers ??
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