Pontiac Grand Prix Forums : Grandprix

ok im lookin to get a down pipe with christmas money and i was wondering which is the best built. im looking to go 3" catless

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Justin Young, Kansas
1999 silver GTP DHP pcm,3" Cattless hogan DP,Front PLOG,3.4 pulley, ported TB, ported LIM, ported supercharger housing.porting done by GBP
coming soon: LS6 springs ,1.9rr

Hogan Performance. Top Notch quality.

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GreenBastardPerformance2000 GTP Coupe (the green bastard)
XP, Pacesetters, LS1 TB & MAF,MSD System, P&P LIM, P&P GenV w/ 3.2, 3.0, 2.8, Devil'sOwn Injected 100% Methanol,PowerTuned, TripleEdge Trans w/3.29's
12.92 @ 105mph

Hogan Performance
W Body GM

Hogan Boys are Great Guys. Hope those links work for ya.

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1999 Grand Prix GTP
http://www.fquick.com/rynoman03
http://www.cardomain.com/ride/2172058

And I will give Hogan Performance a THIRD vote.....Very good quality for a GREAT price

webracin

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2001 Grand Prix GTP
ZZP HUB 3.2 3.4, ZZP 8 Rib conversion, JC 3" DP Gen 2 cat & U-bend Delete, Accel Super Stock 8mm wires, DHP 1.5, 180* Thermo, Throttle Spacer, SS Intercooler, ZZP Fuel Rails, SLP CAI w/K&N Cone, Dynomax cat back, ZZP Tranny.

2000 Grand Prix GTP Daytona K&N, Flowmasters

ok hogan performance it is. thanks alot

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Justin Young, Kansas
1999 silver GTP DHP pcm,3" Cattless hogan DP,Front PLOG,3.4 pulley, ported TB, ported LIM, ported supercharger housing.porting done by GBP
coming soon: LS6 springs ,1.9rr

ok i fouund a down pipe if a member now im looking at gettin PEM which one's are the best.

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Justin Young, Kansas
1999 silver GTP DHP pcm,3" Cattless hogan DP,Front PLOG,3.4 pulley, ported TB, ported LIM, ported supercharger housing.porting done by GBP
coming soon: LS6 springs ,1.9rr

I have a very nice one on my car made by a CGP member. It is 3" mandrel bent aluminum and he specifically used a double wall flex. I have it headerwrapped and sprayed. It is catless and bolts to stock or aftermarket exhaust.

Once I get my headers on, it will be for sale. That could be two months or sooner. Not sure what I'll ask, but it's in beautiful shape.

Dean

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2k1 GTP Sedan, Black. 3.4, FWI, 180, PT, Borla, Headers, AL104's, GMPP handling kit, Vogtland/ AGX, 12 in brakes/SS lines/ Hawk HPS, 1.9's
2k4 Maxima SE A5 Black, K&N, wifes
PEMs and two 3" DP for sale.

Powerlog is better than any PEM, and I wouldn't even mess with a rear PEM.

btw Curt Hogan makes downpipes for 3800performance and wbodystore and of course you can order directly from him.

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04 Indy SS build #972
GPS Cam 1, TOG's, Tripleedgeperformance.com transmission-ported blower-build and tuning, PRJ wires, PRJ Rails, Stage 2 IC.

x2 The powerlog is the best for the front. I was impressed with mine. I wasn't expecting much gain from it, but it was noticeable.

I wish I would have stuck to my guns on the rear PEM. I recently got one and tonight I was extracting an O2 plug in it and I don't see much that is done to it. And it is a reputable PEM from the now defunct Hulkspeed. I'd like to see a stock one to compare, but I can't imagine you could gain more than 1 or 2 hp from porting the rear. Unless the EGR tube really butted into the #6 primary. I don't think I will even go to the trouble to install it.

Agreed.

I did compare (visually) a hulkspeed to a stock, and in my uneducated opinion no way was the rear PEM goiing to be worth the time or money. After looking at two different front PEMs next to a stock, I decided not to install the PEM and just ordered a powerlog. Sure you can remove material and polish the openings, but then there is the inside that can't be opened or smoothed.
I realize that "back in the day" PEM's were all that was available, but a lot has changed since the beginning.

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04 Indy SS build #972
GPS Cam 1, TOG's, Tripleedgeperformance.com transmission-ported blower-build and tuning, PRJ wires, PRJ Rails, Stage 2 IC.