Topic: grimmspeed pnp manifolds and crosspipe reviews? (Read 1499 times)

pborgia · « **on:** December 02, 2009, 11:31:34 AM »

i was looking into the pnp, crosspipe, and up pipe combo in addition to a catted downpipe. anyone have any info on grimmspeed stuff(good or bad)? thanks, pete

idipskoalmint · « **Reply #1 on:** December 02, 2009, 02:02:26 PM »

I'm running PnP manifolds/crosspipe, but not from Grimmspeed. I'm happy with them.

pborgia · « **Reply #2 on:** December 02, 2009, 02:28:16 PM »

who ported yours? where do they make power? was it worth the investment?

idipskoalmint · « **Reply #3 on:** December 02, 2009, 02:54:00 PM »

Quote from: pborgia on December 02, 2009, 02:28:16 PM

who ported yours? where do they make power? was it worth the investment?

Defiant Autospeed off Nasioc ported mine

It tends to improve spool, and low/mid-range power mostly. For what I paid, I'm happy with my investment.

pborgia · « **Reply #4 on:** December 02, 2009, 03:06:49 PM »

what do you think of the grimmspeed stuff?

idipskoalmint · « **Reply #5 on:** December 02, 2009, 04:06:10 PM »

Quote from: pborgia on December 02, 2009, 03:06:49 PM

what do you think of the grimmspeed stuff?

The EWG/BCS combination I installed when Dom came out worked well.

bobanoid · « **Reply #6 on:** December 02, 2009, 06:31:15 PM »

im running the PNP manifolds and hi flow cross pipe on my 06/07. i love it, fit is perfect (obviously) and i highly recommend getting them ceramic coated by them. The quality is amazing and they really put effort into the pieces

as for power i switched from a GTspec unequal length header to these and i actually gained more torque using the PNP setup and boost hits a little quicker now. the top end is a little lacking compared to the gtspecs but i cant complain, its a perfect streetable setup with 0 drawbacks.

pborgia · « **Reply #7 on:** December 02, 2009, 06:53:37 PM »

im looking for more low to mid power, i am getting around to a downpipe soon. so i hope these will work together for a great stage 2.

Blake · « **Reply #8 on:** January 08, 2010, 09:27:57 PM »

I have heard good things about these and if you get a bigger turbo it will keep your exhaust temp till after the turbo which will promote better spool up.

spoolordie · « **Reply #9 on:** January 09, 2010, 12:10:25 PM »

i have a stock exhuast manifold im willing to sell....so there would be no down time between proting

i R teh thread jackzorz

idipskoalmint · « **Reply #10 on:** January 09, 2010, 02:58:32 PM »

Quote from: spoolordie on January 09, 2010, 12:10:25 PM

i have a stock exhuast manifold im willing to sell....so there would be no down time between proting

i R teh thread jackzorz

http://www.unysoc.org/board/index.php/topic,6485.0.html

I have one off an FXT or '06/'07 WRX that's already ported I'm trying to sell locally before it goes for sale nationally (shameless plug)

spoolordie · « **Reply #11 on:** January 10, 2010, 10:50:46 AM »

Quote from: idipskoalmint on January 09, 2010, 02:58:32 PM

http://www.unysoc.org/board/index.php/topic,6485.0.html

I have one off an FXT or '06/'07 WRX that's already ported I'm trying to sell locally before it goes for sale nationally (shameless plug)

dirty move hahaha just kidding

idipskoalmint · « **Reply #12 on:** January 10, 2010, 01:31:44 PM »

Quote from: spoolordie on January 10, 2010, 10:50:46 AM

dirty move hahaha just kidding

Well, it worked

spenk · « **Reply #13 on:** January 10, 2010, 03:55:39 PM »

I have Grimm's version 1 x-pipe -- no mirror polish on that one but the thermal coat and fit are

Got my manifolds done 4 years ago by Crucial <-- expensive, but beautiful work. The ceramic coating is still minty.

Mekks · « **Reply #14 on:** February 06, 2010, 11:44:44 PM »

I have p&p manifold/up-pipe/high flow xpipe by grimmspeed . The quality and the work is tip top. The only problem I have.. You can really hear the subaru valve tick with this cross pipe. I wrapped mine except on the flex section and can still hear it. I might put the heatsheilds back on and rewrap it here soon.

deadlydave · « **Reply #15 on:** February 09, 2010, 11:17:00 AM »

Dom, while he was up, talked to me about pnp vs the oem style stepped manifolds. I'd explain but I'd do a terrible job. They're stepped OEM "for a reason" was the lesson I pulled from the discussion. I'm sure he could elaborate.

flutyr525 · « **Reply #16 on:** February 09, 2010, 11:34:58 AM »

Quote from: deadlydave on February 09, 2010, 11:17:00 AM

Dom, while he was up, talked to me about pnp vs the oem style stepped manifolds. I'd explain but I'd do a terrible job. They're stepped OEM "for a reason" was the lesson I pulled from the discussion. I'm sure he could elaborate.

im with you dave...i remember the conversation but my explanation of it would be horrible and prolly would make sense

deadlydave · « **Reply #17 on:** February 10, 2010, 10:59:26 AM »

Quote from: flutyr525 on February 09, 2010, 11:34:58 AM

im with you dave...i remember the conversation but my explanation of it would be horrible and prolly would make sense

Good to know i wasn't hallucinating the discussion at least. There were quite a bit of fumes.

ssgtshields · « **Reply #18 on:** February 21, 2010, 03:23:42 PM »

Was Dom saying this was a worthwhile mod or not? I'll be installing mine in the next couple weeks.

peter32892 · « **Reply #19 on:** February 21, 2010, 05:29:40 PM »

Quote from: ssgtshields on February 21, 2010, 03:23:42 PM

Was Dom saying this was a worthwhile mod or not? I'll be installing mine in the next couple weeks.

No dom believes it is not worth the money or time, as he said if it was so beneficial why wouldn't Subaru just do it because it is such and easy thing to do. So I don't bother doing it.

pborgia · « **Reply #20 on:** February 21, 2010, 07:22:26 PM »

how is it different from un equal length headers? this mod is supposed to give better exhaust flow to the turbo, and out to the downpipe.

ssgtshields · « **Reply #21 on:** February 21, 2010, 09:21:25 PM »

Either way, I'll be installing mine. I'll post the results of this mod. Corey

spoolordie · « **Reply #22 on:** February 22, 2010, 08:48:35 AM »

HE WAS TALKING ABOUT THE EXHUAST PULSES AND HOW ITS DESIGNED to extract the gasses and he said them being ported could make the pulses travel backwards or something....sorry i was computer drafting and for got to put caps off

deadlydave · « **Reply #23 on:** February 22, 2010, 12:38:51 PM »

Quote from: ssgtshields on February 21, 2010, 09:21:25 PM

Either way, I'll be installing mine. I'll post the results of this mod. Corey

He didn't say it was 'bad', he had just seen it installed on big-turbo-high-boost-built cars and seen them lose power. Then he explained why, which spoolordie remembered a lot better than me.

ssgtshields · « **Reply #24 on:** February 22, 2010, 09:55:36 PM »

I'm in luck, I don't have a large turbo or high boost! Hopefully it works out in my favor

Author Topic: grimmspeed pnp manifolds and crosspipe reviews? (Read 1499 times)