Helix DP to Greddy Evo

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03-14-2003, 12:58 PM

lobelsteve

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Helix DP to Greddy Evo

Looking for issues with fitment and sound. Hoping to keep it very quiet. Will also be doing APS uppipe at that time. Looks like I'll need 2 cel fixes, is that right?

03-14-2003, 11:48 PM

illmatic

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I am running pde up-pipe and a heilx downpipe for about 1500miles. No CEL yet. I had an HKS, but it was way too loud so im back to stock muffler. Does the APS up-pipe have a stock egt bung. If not you will have to do the 2.2k resistor mod. It should sound sweet with the greddy and catless. Just warning you about the smell because you will notice it and so will everyone else behind or around you.

Jay

03-15-2003, 12:56 AM

WorldONE

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Car Info: Do-Luck Bugeye WRX & 2008 Hydra-powered STI

Just wanted to drop in and let you know that you should not expect any fitment issues. The bottom bracket on the Helix pipe, if your pipe has one, is not used.

Cheers,

03-15-2003, 04:38 AM

lobelsteve

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Thanks for the info.

I think I'd rather 20 the 2.2 resistor mod over the factory EGT, but if I could do an aftermarket EGT in the uppipe...

Sure, I know it's supposed to go to #3cyl, but I'd be happy knowing the numbers from the uppipe and following them serially.

I guess it's time for my money to go to the vendors.