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#4097422 - 02/18/21 11:27 AM How much hp gain with longtubes?
Big_Pimpin Offline
Rookie

Registered: 11/12/20
Posts: 64
Loc: NC
Is it worth it to do long tube headers $$$ for the gains?

How much can you realistically see with LT headers and then modifying the tune? My mods are in my sig.

Kooks and Stainless Works and anything else? I am looking bolt in not modification city.

They are expensive and trying to decide if it is worth it now or keep saving for the supercharger kit ADTR sells?

Thanks in advance,
George
_________________________
2009 Grand Marquis. Dual exhaust w/x-pipe and Dynomax mufflers,3.55 LSD with aluminum driveshaft, ADTR intake pipe and ported plenum with modified airbox, MO's tune.

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#4097438 - 02/18/21 12:38 PM Re: How much hp gain with longtubes? [Re: Big_Pimpin]
2004_p71 Offline

no replacement for displacement
Posting Addict

Registered: 09/04/03
Posts: 15777
Loc: Quebec Canada
Keep saving for the adtr's blower kit.


Long tube headers become a necessity the wilder you go with the engine as far as cams and heads swap but I would say they are overated for what they do on a stock engine. The gain in torque wich is around 15 to 18 lbts is always welcome on such a small displacement engine such as the 4,6 but nothing to compare to what a blower can offer.
_________________________

Best time 13.079 @ 105 1.8 60'
comming back this fall

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#4097462 - 02/18/21 05:03 PM Re: How much hp gain with longtubes? [Re: Big_Pimpin]
ClayBelt Offline

Over the Hill

Registered: 04/03/18
Posts: 1741
Loc: Leon County
Worthwhile if you can find a used set, although you’ll want them with boost
_________________________
There’s a right way, a wrong way, and a janky way to fix something; I don’t usually have the brains or the money to pick the right way.

2001 Chevrolet Tracker LT “Featherbrick” - 6/2016-10/2016 - SOLD
2005 Toyota 4Runner SR5 “Panzer” - 8/2016-4/2018 - SOLD
1966 Ford Thunderbird “Fordy McFordface” - 11/2016-2/2020 - TRADED
2005 Buick LaCrosse CXS “Jumba” - 2/2017-2/2018 - SOLD
2010 Mercury Grand Marquis LS “Touge Sofa” - 4/2018-?
1990 Mazda Miata “Little Boy” - 5/2019-10/2019 - SOLD
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1978 MG Midget 1500 - 11/2020-?

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#4097478 - 02/18/21 06:00 PM Re: How much hp gain with longtubes? [Re: Big_Pimpin]
a_d_a_m Online   drunk

3 Orange Whips
Metroplectic

Registered: 10/25/05
Posts: 27893
Loc: Cleveland, OH
My opinion is that you won't notice headers from a HP standpoint on a N/A car. Had I not needed to fix a leaking exhaust manifold on the Marauder, I wouldn't have gone through the hassle and broken bolts of installing the Stainless Works kit.
_________________________

'91 LTD Country Squire (POTM Mar. '19) | '03 Marauder (POTM Nov. '10, Jul. '20) | 2010 P7B (POTM Feb. '21)
formerly: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 (POTM Feb. '18), '04 CVLX (POTM Jun. '19 and the best car ever), '03 SAP P71

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#4099056 - 02/25/21 12:33 PM Re: How much hp gain with longtubes? [Re: Big_Pimpin]
Danger2manifold Offline
Member

Registered: 02/23/19
Posts: 249
Loc: Little Poland, CT
Yup. If I were in your position, I would keep saving for the supercharger kit. Unless, of course, you want the sound of an exhaust with headers right now, in which case go nuts
_________________________
Current Panther:
1999 Crown Victoria LX - 69,420 miles (nice) as of 1/27/21, Toreador red, 18x8 Anthracite Torq Thrust M's, AEM Dryflow panel filter, custom 2.25" dual exhaust with H-pipe, Magnaflow XL mufflers, Jones 22" long 4" slash cut tips, Kenwood KMM-BT225U head unit, PPI A600/4 4-channel amplifier, PPI i650.1 monoblock amplifier, Pioneer 6x8 2-way speakers, two 12" JBL subs in sealed enclosures, 2/2019 to present

Past Rides:
2003 Buick Regal GS Joseph Abboud edition - as close to a Grand National as I'll probably get, traded in 2/2019
1996 Lincoln Town Car Signature - 1st car ever bought, dubbed "The Emancipator" by friends, rear ended and totalled in 5/2016
2002 Buick Rendezvous CXL - passed to me by the folks, handed down to younger brother in 2/2015

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#4103890 - 04/03/21 09:42 PM Re: How much hp gain with longtubes? [Re: a_d_a_m]
PB92 Offline
Over the Hill

Registered: 02/07/09
Posts: 2153
Loc: Communist CT
Originally Posted By a_d_a_m
My opinion is that you won't notice headers from a HP standpoint on a N/A car. Had I not needed to fix a leaking exhaust manifold on the Marauder, I wouldn't have gone through the hassle and broken bolts of installing the Stainless Works kit.


I had a conversation with Chris at ADTR about this very thing. Twice. Wanted to do the headers, the whole exhaust system. He said both times there is an increase. I told him I'm not doing heads, cams, PI intake, just when it comes time to replace the Walker exhaust system I have on now here in CT, is it worth the cost for what ever improvement it brings?

He said yes it is, plus your very long lasting stainless exhaust system is ready to take on down the road any other improvements you want to make. Makes sense to me.
_________________________
US MARINES Kilo 3/3
"Some people spend an entire lifetime wondering if they made a difference in the world, MARINES don't have that problem" President Ronald Reagan

99 P71 Ex-Greenwich CT Det. car. New Ford crate engine. Deep Wedgewood Blue/SMD LED trunk/interior/door lights
Modified factory CAI. Big 4 upgrade, 0 gauge highstrand. High Power Cobra 29LX highly tricked out. 200 amp alt w/overdrive pulley. New body mounts. Moroso air/oil separator. Rebuilt 8.8 axle. ARA3 PCM. High power CB'er for 35 years. GMRS Operator Midland MXT400

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#4104010 - 04/05/21 12:46 AM Re: How much hp gain with longtubes? [Re: Big_Pimpin]
99siggy Offline
n00b

Registered: 10/23/14
Posts: 10
Loc: Houston, Texas
Around 20hp/tq. Not much, and definitely worth it considering the sick ass sound.

I'm currently in the process of installing a set of BBK Headers for the 96-04 Mustang onto my 1999 LTC. Got them and the Off-Road X Pipe for a steal at $200. Main concern right now is trying to get an EGR tube to reach the driver's side port on the headers all the way back to the EGR valve.
_________________________
1999 Lincoln Town Car Signature Series.
MZT. 3.73 w/TrakLok. Dual Exhaust. 21mm Rear w/ ENS Kit. Bilstein HDs. New Arnott Air Springs/Compressor. 200A Alternator w/ Big 3.
4-Note Caddy Horn. A-Pillar Mounted Tach. Double-Din w/ Sound System. 5500k HIDs. Interior LED Swap. Husky Floor Mats.

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