thorley - LS1TECH - Camaro and Firebird Forum Discussion

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08, 402, 72, carlo, dod, doug, dougs, good, headers, impala, ls4, monte, pics, ss, thorley, video

Doug Thorley Headers Installed! Too Many Pictures! LoL

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08RedSS on Aug 18, 2011

Mar 24, 2017 11:16 AM
by Mike The Canadian

36

78,007

LS4 Performance

corvette, doug, dougs, gains, headers, hed66003, hedman, hooker, price, sbc, thorley, thorleys

hedman vs hooker vs doug thorley on sbc

weston on Sep 30, 2013

Oct 7, 2013 07:28 AM
by weston

8

6,289

Small Block & Big Block Chevy Specific

doug, headers, ls1tech, ls4, obx, sale, thorley

Headers FOR SALE DOUG THORLEY BRAND NEW $500 plus shipping

brandonwittheimp on Jul 12, 2013

Aug 1, 2013 11:57 AM
by 91parkave

4

1,282

LS4 Performance

6769, conversion, doug, dougs, headers, ls, ls1, thorley

Hello from Doug Thorley Headers

DougThorley on Jan 8, 2013

Jul 13, 2013 03:51 PM
by 91LSFBODY

6

1,026

Introductions & Greetings

camaro, doug, grand, headers, ls1, ls1tech, ls4, ls6, prix, tech, thorley

Doug Thorley Headers $605.00 SHIPPED!!

DougThorley on Apr 3, 2013

Jul 3, 2013 09:43 PM
by smokin06impala ss

7

2,547

LS4 Performance

business, doug, headers, sale, sales, thorley

Headers FOR SALE DOUG THORLEY BRAND NEW

brandonwittheimp on Jul 2, 2013

Jul 2, 2013 09:23 PM
by BlackImpSS

4

1,134

LS4 Performance

67, 6787, 84, bb, chevy, cpp, doug, gto, headers, ls, ls1, ls3, motor, mount, numbers, part, swap, thorley, truck, truk

Doug Thorley Headers 67-87 chevy trucks w/ LS

DougThorley on Feb 22, 2013

Feb 22, 2013 11:20 AM
by DougThorley

0

1,165

Conversions & Swaps

doug, dt, headers, ls, ls4, special, thorley, thorly

Doug Thorley Headers LS4 special

DougThorley on Jan 10, 2013

Jan 10, 2013 12:12 PM
by DougThorley

0

548

Sponsor Sales & Specials

07grand, doug, dt, grand, gxp, headers, horses, industries, lexus, nick, performance, powered, prix, rigid, thorley, vbulletin

Group Purchase on headers

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Gripenfelter on Feb 9, 2012

Aug 17, 2012 09:29 PM
by Sadden

157

17,794

LS4 Performance

aluminum, doug, headers, heads, intake, ls4, sale, thorley

LS4 intake

Mels SS on Jul 13, 2012

Jul 19, 2012 09:47 PM
by smokin06impala ss

1

1,018

LS4 Performance

06, 2006, carlo, dark, doug, gxp, headers, med, monte, painted, ri, ss, tails, thorley, tint, whats, white

New Pics (got rimed up)

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WhiteGXP313 on Feb 15, 2012

Mar 3, 2012 02:49 PM
by 06mistreSS

25

3,756

LS4 Performance

323, 324yc, doug, dougs, dte324yc, headers, ls, ls1, ls1tech, ls3, lsx, swap, thorley, thy, thy324c

Doug thorley headers

daaaanz67 on Feb 12, 2012

Feb 16, 2012 03:42 PM
by Shon Herron

8

2,391

Conversions & Swaps

2006, doug, flex, grand, pipe, pontiac, prix, thorley

Doug Thorley Flex Pipe

3800gtx on Feb 12, 2012

Feb 15, 2012 11:16 AM
by 3800gtx

6

936

LS4 Performance

carlo, doug, fargo, forum, headers, impala, ls, ls4, monte, performance, sandrail, ss, stainless, thorley, upgrade

Anybody Seen These Headers?

gixper on Jan 26, 2012

Jan 28, 2012 12:14 PM
by ImpSS07

2

2,510

LS4 Performance

2007, bone, carlo, dog, doug, dougs, headers, hp, install, ls4, monte, sale, short, spring, thorley, valve

For Sale New Doug Thorley Headers and More!!!

MonteSS8707 on Oct 20, 2011

Jan 10, 2012 06:53 PM
by Mr. Goodtime

4

2,807

LS4 Performance

2006, audi, black, doug, grand, gxp, headers, impala, installation, ls4, metallic, paint, panther, poly, prix, ss, thorley

Doug Thorley Headers group buy

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williamGT on Sep 15, 2010

Nov 25, 2011 10:23 PM
by williamGT

282

30,785

LS4 Performance

18, 185, change, delete, doug, ls1, ls1tech, muffler, pushrods, rockers, roller, stock, swap, thorley, tune

1.8 rocker swap help...

GXPmattyjGXP on Nov 12, 2011

Nov 15, 2011 12:07 AM
by DavidGXP

10

1,357

LS4 Performance

1968, 4l80e, 60, 604l80e, 71519410, c10, cpp, dynatech, headers, hooker, lower, ls1, ls1tech, motor, mounts, thorley

6.0/4l80e into a 1968 C10

Chevyratracer on Jul 13, 2011

Nov 14, 2011 03:10 PM
by Shon Herron

2

3,522

Conversions & Swaps

08, diagrams, doug, geand, grand, gxp, header, installation, monsoon, navigation, pontiac, prix, radio, receiver, schematics, thorley, wiring

GXP receiver schematics

redlightrampage on Aug 30, 2011

Aug 31, 2011 03:14 PM
by GXP25

5

2,173

LS4 Performance

09, a6, black, changing, colors, g8, gt, gxp, header, headers, obx, pontiac, problem, texas, thorley

OBX header help..

ghstface38 on Jul 2, 2011

Jul 2, 2011 06:36 PM
by williamGT

3

4,545

Pontiac G8 2008-09 & Chevrolet SS 2014+

10336980, 15211285, 2005, 2006, 96, badges, carlo, doug, emblem, emblems, headers, impala, monte, montecarlo, ss, thorley

Question about Impala SS badges

ssjason232 on Aug 3, 2010

Jun 18, 2011 06:57 PM
by carnut72SS

16

4,706

LS4 Performance

2007, coatings, doug, grand, gxp, header, headers, install, ls4, pontiac, prix, review, sale, thorely, thorley

Brand New set of Doug Thorley Headers for sale!

ToastedTires on Apr 6, 2011

Apr 11, 2011 01:23 PM
by DavidGXP

4

984

LS4 Performance

downpipe, dp, dt, header, hogan, shorties, thorley

DP vs DT

Panther427 on Mar 26, 2011

Mar 28, 2011 11:01 AM
by 1BAD06MCSS

7

995

LS4 Performance

cam, cammed, dod, doug, drive, front, fs, fwd, gxp, headers, ls, ls4, modified, motor, thorley, wheel

FS: Highly modified GXP FWD LS4

phat_ridegt on Jan 27, 2011

Mar 20, 2011 08:53 PM
by phat_ridegt

4

1,839

Vehicle Classifieds

catless, catted, cut, cutout, electric, electrical, exhaust, magnaflow, mount, oval, qtp, regular, silverado, thorley, tool, whats, work

Electric Cut out

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Mels SS on Oct 12, 2009

Feb 17, 2011 08:56 AM
by Battle_Ravage

37

3,928

LS4 Performance

06, 2007, carlo, coil, dash, doug, dr, engine, ls4, monte, nj, pictures, plaque, sicklerville, ss, stb, thorley

Take a look!!

Mels SS on Dec 22, 2010

Jan 5, 2011 03:14 PM
by RickAKATed10

12

1,650

LS4 Performance

2010, air, camaro, carlo, cold, doug, header, kit, llt, ls4, monte, review, ss, thorley, v6, v8, vs

monte ss vs camaro llt or v6

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1 2)

evil 5.3 on Nov 14, 2010

Nov 23, 2010 09:38 AM
by Mels SS

20

2,012

LS4 Performance

challenger, doug, fun, raping, rt, thorley

Had some fun raping a R/T Challenger.

CenTexSS on Nov 17, 2010

Nov 19, 2010 10:14 AM
by 1BAD06MCSS

9

1,012

LS4 Performance

2005, 311, columbus, crossover, custom, doug, exhaust, grand, gxp, headers, ohio, prix, stock, thorley, work

Stock exhaust crossover!

Haulin_Ls4_GxP on Oct 17, 2010

Oct 21, 2010 09:32 PM
by 2005gxp

9

1,340

LS4 Performance

53, 53l, 60, 60l, block, cam, changing, doug, engine, lq4, replace, replacing, short, thorley, year

Can I replace a 6.0 with a 5.3 with no modifications?

indiansprings on Sep 23, 2010

Sep 23, 2010 09:37 PM
by garygnu

7

33,563

Generation III Internal Engine

2007, doug, flex, gp, grand, grandprix, gxp, headers, improved, ls4, pontiac, prix, thorely, thorley, thorly

Doug Thorley headers Good? Bad?

otherwisebusy on Sep 14, 2010

Sep 16, 2010 09:41 AM
by 1BAD06MCSS

11

5,261

LS4 Performance

Cutout

2005gxp on Aug 10, 2010

Sep 4, 2010 05:06 PM
by mike690003

18

968

LS4 Performance

c10, clip, doug, headers, sound, thorley

A few new pics

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1 2)

DieselPump on Aug 26, 2010

Aug 27, 2010 09:11 PM
by 707chance

22

1,810

LS4 Performance

add, car, doug, flex, header, headers, ls1tech, pipe, section, thorley, vibrant

flex pipe on DT Headers

monte_with_a_LS4 on Aug 12, 2010

Aug 13, 2010 06:39 AM
by indynotch50

5

875

LS4 Performance

185, carlo, catback, grand, gxp, header, headers, magnaflow, monte, noise, prix, remove, resonator, thorley, whistle, whistling

Who here has the headers whistle?

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williamGT on Apr 17, 2010

Aug 13, 2010 06:27 AM
by monte_with_a_LS4

102

15,327

LS4 Performance

2007, 310, carlo, doug, g8, gain, grand, header, headers, horsepower, kooks, monte, net, prix, thorley

Kook's vs Doug Thorley

SLOW SEDAN on Jun 25, 2010

Aug 2, 2010 10:00 AM
by SLOW SEDAN

9

11,851

Pontiac G8 2008-09 & Chevrolet SS 2014+

2010, 340, camaro, doug, dougthorleyheaders, grand, gxp, headers, prix, rail, sand, sells, ss, thorley, thorleys, thy, thy340c

doug thorley headers for alot less than they sell them for

jim_tucker on Jul 21, 2010

Jul 25, 2010 06:42 PM
by Hawkins04

17

4,310

LS4 Performance

car, catless, doug, header, headers, hogan, ls4, power, test, thorley, wanted

Wanted: test car with Doug Thorley Headers

Belair427 on Jul 13, 2010

Jul 14, 2010 11:44 PM
by AlabamaGuy

18

1,025

LS4 Performance

c6, corvette, doug, gto, header, headers, hp, injector, ls1, ls2, racing, size, stock, tapshift, thorley, vette

Raced an LS2 Corvette

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1 2)

Mike_GXP on Jun 10, 2010

Jun 14, 2010 12:27 AM
by JDMC5

21

4,472

LS4 Performance

aluminum, com, doug, engine, funnys, headers, kn, ls4, mods, oil, s4, thorley, thy340c, upgrades, v8

Ran a V8 S4, Video

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1 2)

CenTexSS on May 16, 2010

May 28, 2010 09:46 PM
by rquinn19

33

3,770

LS4 Performance

14, 2010, buy, camaro, cash, doug, good, long, mile, pay, paying, ss, thorley, totaled, tubes

Im thinking about getting a new Camaro SS, can anyone tell me any problems with them?

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1 2)

asdrs70 on May 10, 2010

May 16, 2010 12:57 PM
by JHL88

25

3,128

Gen 5 Camaro External Bolt-On Tech

adapter, company, customer, doug, g8, gt, headers, problem, service, thorley

Doug Thorley Headers-Customer Serivce??

stealthls4 on May 3, 2010

May 14, 2010 10:59 AM
by stealthls4

7

967

Pontiac G8 2008-09 & Chevrolet SS 2014+

add, adding, doug, flowmasters, gained, gxp, header, horsepower, hp, kn, ls1, ls4, mods, tbs, thorley

How much hp will a flowmaster catback and K&N kit gain on a 2006 montecarlo ss.

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1 2)

MurderafterMidnight on May 9, 2010

May 9, 2010 10:53 PM
by AlabamaGuy

29

13,384

LS4 Performance

doug, dp7s, dyno, dynos, g8, gains, grand, gxp, header, headers, hp, ls4, prix, silverado, thorley

Thorley Header Project Update

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BuickRacer on Nov 11, 2009

Apr 29, 2010 09:24 PM
by nmp0098

1,260

88,155

LS4 Performance

1500, 18, catless, chevy, dyno, gtp, headers, install, ls1tech, ls4, plog, rocker, roller, thorley, v6

Any dyno numbers from the headers?

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1 2 3)

Sittingmongoose on Apr 21, 2010

Apr 24, 2010 08:47 PM
by JDMC5

44

4,974

LS4 Performance

2010, cut, cutout, cutouts, doug, dougs, electric, exhaust, full, header, headers, length, ls1, offs, specifications, thorley

Doug's Headers Cut-out Rant

ur jlus on Apr 14, 2010

Apr 23, 2010 02:26 AM
by ur jlus

18

12,391

Western Members

2006, 53, carlo, cranks, doug, grand, gxp, headers, ls4, metal, monte, oil, prix, shavings, slowly, thorley

NON ls4 car problems need HELP

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1 2)

94ss06gxp on Apr 19, 2010

Apr 22, 2010 10:10 AM
by 94ss06gxp

21

2,162

LS4 Performance

block, chevy, doug, fit, header, headers, huggers, ls, ls1, schoenfield, shorty, swap, thorley, truck, trucks

Swap header for a 71 Chevy truck??

69chvl468 on Apr 18, 2010

Apr 21, 2010 07:34 PM
by blazerboy72

7

2,167

Conversions & Swaps

Death!

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1 2 3 4)

Vectus on Feb 27, 2010

Mar 26, 2010 09:24 AM
by 94ss06gxp

69

3,900

LS4 Performance

ashtray, cutout, cutouts, doug, electric, grand, gxp, prix, running, thorley

For those who have electric cutouts...

Nick_Nasty's_GXP on Mar 10, 2010

Mar 18, 2010 08:27 AM
by DamageInc1984

12

908

LS4 Performance

Threads Tagged with thorley