Forum: 5.3L V8 (LS4)

Available from Model year 2004+

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Iceman6669 (The Boss)
12-20-2017
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Sticky Thread Sticky: GPF.com GXP Owner List - Post Up Here!

Started by jteske88, 04-20-2013
48 Pages •
1 2 3 ... 48
fights, girl, growing, grown, gxp, home, list, listits, onlygxp, onlyhi, onlyteenage, owner, style, yall 8 Attachment(s)
Replies: 945
Views: 241,654
LSCHERRY4
03-16-2021 Go to last post

Sticky Thread Sticky: *HOW TO* LS6 Intake Manifold Swap

Started by nmp0098, 11-25-2009
2 Pages •
1 2
dod, intake, ls6, manifold, retained, successful, swap
Replies: 31
Views: 69,964
SDGTP99
11-24-2018 Go to last post

Sticky Thread Sticky: LS2 Throttle Body Install

Started by 91parkave, 04-12-2013
2 Pages •
1 2
install, ls2
Replies: 20
Views: 31,047
SDGTP99
06-13-2018 Go to last post

Sticky Thread Sticky: *PICS* Oil Catch Can Install

Started by 91parkave, 01-05-2013
catch, install, oil
Replies: 18
Views: 27,679
bigbird90650
02-15-2016 Go to last post

Sticky Thread Sticky: *HOW TO* LS4 Transmission Cooler Install

Started by DirtDog, 07-20-2013
3 Pages •
1 2 3
cooler, grand, gxp, install, prix, transmission
Replies: 54
Views: 84,687
HighOctaneRacing
08-09-2015 Go to last post

Sticky Thread Sticky: *HOW TO* Ford Fusion Fog's for GXP

Started by DirtDog, 04-21-2013
2 Pages •
1 2
fog, fusion, gxp, modification
Replies: 24
Views: 34,805
DirtDog
09-09-2014 Go to last post

Sticky Thread Sticky: *HOW TO* LS7 Mass Air Flow

Started by 91parkave, 02-13-2013
installed, ls7, maf 2 Attachment(s)
Replies: 16
Views: 30,262
91parkave
02-17-2014 Go to last post

Need some help with trouble code P0202 please

Started by SDGTP99, 07-11-2017
Replies: 1
Views: 1,142
SDGTP99
07-24-2017 Go to last post

No start 07 gxp po641

Started by 07 black gxp, 07-17-2017
Replies: 1
Views: 1,241
SDGTP99
07-18-2017 Go to last post

High Flow Header setup

Started by bkirwin, 07-17-2017
gxp, header
Replies: 5
Views: 1,950
blueguy91
07-17-2017 Go to last post

Dash Lights on; ABS Light, Brake Light, Traction Control Light

Started by Fireof59, 06-17-2017
Replies: 14
Views: 4,150
spazzz
07-15-2017 Go to last post

Anyone have a cold air intake for sale

Started by bkirwin, 06-30-2017
Replies: 5
Views: 1,182
blueguy91
06-30-2017 Go to last post

Noisy exhaust...still!

Started by paulhunde, 05-27-2017
cat back, catalytic converter, noisy exhaust, resonator, slp exhaust
Replies: 18
Views: 3,639
blueguy91
06-08-2017 Go to last post

GXP Running Srange at Higher Speeds

Started by paulhunde, 05-26-2017
active fuel management, rpms going up and down
Replies: 1
Views: 1,098
Fivefingerdeathpunch
05-26-2017 Go to last post

Grand Prix GXP strut question

Started by savage228, 05-21-2017
grand prix, gxp, struts, suspension
Replies: 12
Views: 5,640
spazzz
05-25-2017 Go to last post
Question

LS4 Performance, Truck intake

Started by jay07, 05-14-2017
Replies: 2
Views: 1,374
lola
05-17-2017 Go to last post

Anyone put an SLP system on their GXP?

Started by paulhunde, 05-13-2017
exhaust system, hanger, noise, slp
Replies: 0
Views: 1,232
paulhunde
05-13-2017 Go to last post

New exhaust on my '05 GXP, still loud

Started by paulhunde, 04-30-2017
catalytic converter, exhaust, resonator, slp
Replies: 10
Views: 2,573
lola
05-05-2017 Go to last post

Gauges, radio, etc off while driving

Started by wikisi9, 04-02-2017
Replies: 10
Views: 1,507
91parkave
04-08-2017 Go to last post

I'm bringing up the Spark Plug Debate

Started by ThaUnknownOne, 02-18-2014
Replies: 14
Views: 6,038
Bogers04SS
04-03-2017 Go to last post

Outside temp sensor bad

Started by floinc, 03-24-2017
Replies: 3
Views: 974
wikisi9
04-01-2017 Go to last post

Diagnostic help. Pcm issue? Other problem?. 07 gxp acting funny

Started by Rjohnson07GXP, 03-09-2017
Replies: 8
Views: 1,503
Rjohnson07GXP
03-23-2017 Go to last post

Converter?

Started by Cordless, 03-16-2017
Replies: 1
Views: 1,083
SgtMarshal
03-18-2017 Go to last post

AC not working but pressure ok?

Started by wikisi9, 03-16-2017
Replies: 4
Views: 1,008
daviddawg
03-16-2017 Go to last post

Something loose in the front end

Started by SgtMarshal, 03-11-2017
Replies: 9
Views: 1,403
rottonj
03-13-2017 Go to last post
Arrow

2007 pontiac grand prix wheels for sale

Started by jay07, 03-04-2017
Replies: 7
Views: 1,752
jay07
03-06-2017 Go to last post
Question

Ls4 Turbo

Started by jay07, 03-04-2017
Replies: 3
Views: 1,168
Turbocharged400sbc
03-04-2017 Go to last post
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