bolting up jdm 4-1+ test pipe to mugen twin loop?
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From: all mugen all the time, usa
bolting up jdm 4-1+ test pipe to mugen twin loop?
soon im getting a jdm header and test pipe..i will be bolting it up to a mugen twin loop...does anyone know if i would have any problems with it fitting correctly....im getting this for$325 for both so i couldnt resist the offer..oh yeah the test pipe is the first gen godspeed(the one that has no problems)...thanks 
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From: Crazy Canuck, Everywhere
Re: bolting up jdm 4-1+ test pipe to mugen twin loop? (mugenr#1011)
There are two versions of the Twin Loop B-pipe. The USDM version has the same restriction as the USDM stock exhaust where it bolts up to the cat.
The JDM version is a full 60mm pipe from resonator to the cat with no restrictions. I am currently modifying my USDM twin loop to JDM spec and increasing the flange size to a full 2-1/2" where the cat and B-Pipe come together.
I'm not sure how Dan made his test pipes but if it was designed to bolt up to the stock USDM B-pipe then you should be fine but you will have restrictions still in your exhaust.
Regards,
The JDM version is a full 60mm pipe from resonator to the cat with no restrictions. I am currently modifying my USDM twin loop to JDM spec and increasing the flange size to a full 2-1/2" where the cat and B-Pipe come together.
I'm not sure how Dan made his test pipes but if it was designed to bolt up to the stock USDM B-pipe then you should be fine but you will have restrictions still in your exhaust.
Regards,
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