GTR custom exhaust systems

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11-14-2008, 08:14 PM

#11

200+mphdude

Newbie

Join Date: Jul 2008

Posts: 7

Quote:

Originally Posted by evelution77

There are a few tuners that are already making 600 hp with just exhaust and ecu tuning on these cars. Only problem is passing emissions with the new pipes.

But probably not on 91oct. There are many placesin the US that can't afford to run an agressive tune on a GTR, for instance in AZ you can only get 91oct at the pumps, add 110-115 degrees weather in the summer and oh, don't forget the altitude factor...

The 600hp are achieved under some special conditions.

11-14-2008, 08:21 PM

#12

NissanR35

GTR Member

Join Date: Jun 2008

Posts: 30

Quote:

Originally Posted by 200+mphdude

By special you mean cooler climate and better octane fuel?

01-20-2010, 11:34 AM

#13

AHI

Newbie

Join Date: Jan 2010

Posts: 6

Quote:

Originally Posted by NissanR35

By special you mean cooler climate and better octane fuel?

Yes, like in Toronto.. 94 Octane readily available at every corner, and nice cool temps most of the year.... Boost friendly to say the least.

Are we talking +50hp - +100hp for a simple exhaust mod? 3" straightpipe off the cat?