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Originally Posted by r33_RGSport
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Originally Posted by momo1M
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Originally Posted by BMWDriverX
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Originally Posted by AJF80
OP.. Ever install them yet? How did it turn out?? I'm ready to get DP and keep the stock exhaust but unsure if I want full Upper and lower or just lower.
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I have not installed them yet out of a concern for warranty, I was told that removing cats can void the engine warranty if anything goes south so i did a rear section exhaust and I'm going to get rid of the resonator for an X-pipe. I still might install them after the resonator removal depending on how the car sounds with my GThaus rear section, otherwise i also might just end up listing them for sale. |
What the difference between the upper and lower DP regarding sound?
Does the lower ones gives a Cel? |
Lower doesn't give you CEL.
Changing lower itself will increase the noise level about 30-40%. |
And is it possible to get upper downpipes with racechip whitout having a cel
Is the any way to get rid of the cel. Cel delete?