1 3/4" headers vs 1 7/8" headers
17/8 will give you a little more topend while and you will also loose a little more lowend torque then you would with 1 3/4. It wont be as noticable as 1 5/8 compared to 1 7/8. personally i recommend 1 7/8 because I race on the street and track. You race in the topend not the lowend. in the end it matters what your needs/wants are out of your car, but between the two their is not a big difference espcially if you are mostly stock
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1 7/8's all the way, they will have less wiggle room around things but you will never have to get another set. You can grow into them and sacrifice nothing while lighlty modded. They make more power with N20 but they are nearly indentical when FI'd (from CF posts). If you ever go larger cubes though, you will have them already.
Search Corvette Forums for more info, those guys are nuts about having these threads.
Search Corvette Forums for more info, those guys are nuts about having these threads.
Here is a back to back comparison:
http://forums.corvetteforum.com/c5-t...h-results.html
No loss of torque.
http://forums.corvetteforum.com/c5-t...h-results.html
No loss of torque.
1 7/8's all the way, they will have less wiggle room around things but you will never have to get another set. You can grow into them and sacrifice nothing while lighlty modded. They make more power with N20 but they are nearly indentical when FI'd (from CF posts). If you ever go larger cubes though, you will have them already.
Search Corvette Forums for more info, those guys are nuts about having these threads.
Search Corvette Forums for more info, those guys are nuts about having these threads.
If I had to do it over again (and not spend money for headers twice), I would have went with 1-7/8" headers from the beginning.
