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Rs*r Downpipe With R34 Dump Vs. Greddy Extention Downpipe ?

cobrAA

By cobrAA,
in Engines & Forced Induction

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cobrAA Mentor

cobrAA

Posted
Posted

Hello guys,

I run a setup with all supportive mods of -5s. I have a RS*R downpipe which is 2x65mm to 1x 85mm. and r34 dump which are 58mm.

I bought the greddy extensions which are longer dump pipe ( bit smoother flow perhaps?) 2x 68mm to 1x 80mm.

No matter what the bottleneck remains the end.. 80mm exit. My plan was to cut the 80mm of the greddy and make it 100mm but it seems the gain will be minimal and will cost lots of money plus sound a lot noisier....

So let's say I stay with my 80mm catback. Would you guy still go to the trouble of installing the greddy extension pipe or should I just sell it back ?

thanks for your input!

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