The cjpp unbranded are much deeper and louder then my stock mufflers. I installed them last weekend. They are also lighter, if i can find the dang scale I"ll tell you exactly. The only real problem was the right side muffler stuck out too far. I had that fixed yesterday at the local muffler...
Yes, If I take it slowly there is no noise, only harder acceleration. The problem is that it happens every time and it is very very loud. Last weekend leaving a car show was very embarrassing. I even let the car warm up for 5 minutes. I really think its the left CAT, but to spend $2k+ on new...
I only hear my rattle when the car is cold (mornings, after work) and under load accelerating around 2500 rpm. When the car is warm I can not duplicate it, If the car is in neutral, Nothing. The engine tech at the ford dealer said that the gt has a two piece exhaust with a pipe inside another...
This my Dyno Graph from last year. I have Steeda tune, Steeda CAI, H pipe (resonator delete), Stock muffers. I don't see much difference between my steeda tune and your custom tune.
I had this happen at the dealer when the rear tires were removed to fix small leaks. Ford replaced both rear PP tires for free. I had before & after pics that look just like yours. Only 2 bubbles, 5k miles on the tires.
I was told by my local muffler shop to get ceramic coated LTH, because they are much cooler (temp) under the hood then SS. So I am looking at the BBK's