exhaust resonator
#1
exhaust resonator
I had a custom exhaust put on my box. I went with the stndard magnaflow mufler. I went with 2.25" pipe from the cat back. But, for the resonator they guy put a glass pack in. He told me I was the same thing as a resonator"straight thriugh". Is this ok? Or should I go back and have him put a resonator on it. I couldn't use the stock resonator because I went with larger pipe. And my box feels like it lost power. I t doesnt wind up as fast in the upeer rpms? What should I do. Thanks.
#4
I'm no expert but I don't think it's hurting anything other than maybe additional weight.
I think you have 2 options other than replacing everything again.
1. Find something to restrict the exhaust flow a little to regain some torque. I think it would be great if they could find a valve that you could control. I know Honda put one on the 929 that would close at low RPMs to give more torque and then open at higher RPMs to let the engine breath and give peak HP.
2. Deal with it and get more power mods that will help utilize the extra flow.
I had a friend with a Mustang who said he lost a lot of torque when he put a high flow exhaust on. He ported his intake and was back in business again.
I think you have 2 options other than replacing everything again.
1. Find something to restrict the exhaust flow a little to regain some torque. I think it would be great if they could find a valve that you could control. I know Honda put one on the 929 that would close at low RPMs to give more torque and then open at higher RPMs to let the engine breath and give peak HP.
2. Deal with it and get more power mods that will help utilize the extra flow.
I had a friend with a Mustang who said he lost a lot of torque when he put a high flow exhaust on. He ported his intake and was back in business again.
#6
I'm sure the Zex will help while you are spraying. I don't know about the header. Logically adding a header which allows for more volume and improved flow shouldn't hurt but flow and velocity in intakes and exhaust can be quite tricky. I don't have the knowledge to guide you there.
What I can share with you is that I put an Injen intake on my car and I noticed a little more power. I put the Borla axle-back on and after a week or so noticed a little more power at higher RPMs but lost some torque on the low end. I added a Strup header and gained a little more on the high end. I put on a Perrin pulley last week and regained some of my torque overall. The driving experience just feels better with more power.
If I were in your shoes, I'd go with the pulley first because it made the most significant difference for me.
What I can share with you is that I put an Injen intake on my car and I noticed a little more power. I put the Borla axle-back on and after a week or so noticed a little more power at higher RPMs but lost some torque on the low end. I added a Strup header and gained a little more on the high end. I put on a Perrin pulley last week and regained some of my torque overall. The driving experience just feels better with more power.
If I were in your shoes, I'd go with the pulley first because it made the most significant difference for me.
#9
I used to own a 929!!! Yep they put a valve in the exhaust that would run basicly a 4-2-1 then at a specific rpm or speed the valve would open up into a 4-1.I took it off and put an aftermarket exhaust on and just went one tooth down on the front three up in the rear to make the low end crazy.
#12
Read this. It might give you a better perspective.
http://www.geocities.com/MotorCity/7...usttheory.html
http://www.geocities.com/MotorCity/7...usttheory.html
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