2002 exhuast options - Diesel Forum - TheDieselStop.com
'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

 
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post #1 of 8 (permalink) Old 11-11-2016, 10:05 AM Thread Starter
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2002 exhuast options

Hi All, i have an 02 f250 6 speed with 143k miles. I dont drive the truck much but always like to fiddle with it. I have an edge evo programmer on tow mode. I rarely get over 1k temp on exhaust but i still would like to do something to improve the stock exhaust for temp and power. What are my legal options with a calif truck with a cat? Do the changes make any real difference or should i just leave it alone if there is only a marginal difference?
thanks

1970 Plymouth Barracuda, 1970 Dodge D100 383, 2002 F250 SD xcab 7.3L 4x4 OR 6 sp, 2012 Subaru Forester, 2014 Polaris Sportsman 800, 2014 Kawasaki KLR650, 2014 Suzuki Vstrom650
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post #2 of 8 (permalink) Old 11-11-2016, 12:50 PM
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It makes a huge difference! Just install a 4" and you will instantly feel and hear the turbo finally work as it should.
Ford really stuck it to us with there 1 type muffler fits all BS !!!! I have PSD trucks and none of them have the stock exhaust systems on them !!!!!!! That is one of the first upgrades I do to all my trucks .

Too bad HOG exhaust went out of business a few years ago..... Best looking and fitting system I have seen and heard ! My 00 F550 and 02 F350 have their system on them and the look and sound better than any other system that I have seen. Check out Silverline , RRD sells them and I believe this is the next best .

Mongus rigs;
1992 F-Superduty Dump truck 7.3 - Luk SMF 5spd 5:13 rears-Ricksons 19.5 wheels & tires-Banks get kits.
This is my work hoarse !

2000 F550 - Crew cab -Custom Hood
Harley Flamed Fenders & Doors.
4x4-7.3 - South Bend 6spd 4:88 rears. Loaded ! Volant intake
Hog Performance 4" SS exhaust
Banks wheel, turbine, exhaust brake-Ceramic coated
AFE Blade Runner Spyder
Strickley Diesel Return Fuel & Banjo Bolts
IH up pipes - ceramic coated
Powder coated everything.
Brake Performance-slotted & dimpled rotors with performance pads
DP Tuner 80 Tow
Coolant filter system
Evens Coolant
203 thermostat
Bullet Liner coated Dana 60 front end

2008 F-350 Harley Davidson Crew cab - long bed - 6.4 - Banks-Six gun-Air intake-IQ-Dual Exhaust

2004 Pace American 28' x 9' x 8' enclosed work trailer. 18k GVW. Tri axle - loaded

Custom Built Roll -Off dump trailer. 17yard box. Double dual axles. 20k GVW.

Fully decked 2003 Anni Fat Boy.
Rare "Reaper Tins"

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post #3 of 8 (permalink) Old 11-11-2016, 01:53 PM
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Have you confirmed you actually have a cat on there? Usually you would only find cats on E99 trucks. Anyway, if you do have a factory cat it will need to stay there for visual inspection come smog time. A lot of guys clear/hollow them out though.
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post #4 of 8 (permalink) Old 11-11-2016, 08:03 PM
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My 01 6-speed had the cat. Just replaced my 15 year old Dynomax exhaust with a 409 MBRP last week. The fit is great and sound it just perfect, not too loud and aggressive enough to sound good.

2001 Lariat, F250, 7.3, 6-speed, 3:73, Ford AIS, MBRP 4" turbo back, ATS ported housing, 205 t-stat, Infinity DX w/DP Tuner 80hp tow, coolant filter, Hutched & Harpooned, EGT & Boost gauge. Fuel Mavericks with 285/18, 86k miles(Jan-2017) Bought brand new April 2001.
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post #5 of 8 (permalink) Old 11-11-2016, 09:41 PM Thread Starter
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Originally Posted by aclasshog View Post
My 01 6-speed had the cat. Just replaced my 15 year old Dynomax exhaust with a 409 MBRP last week. The fit is great and sound it just perfect, not too loud and aggressive enough to sound good.
Yes, all 6 speeds have a cat and i have one. Has anyone in calif done a complete turbo back, reinstalled the cat and smogged their truck?

1970 Plymouth Barracuda, 1970 Dodge D100 383, 2002 F250 SD xcab 7.3L 4x4 OR 6 sp, 2012 Subaru Forester, 2014 Polaris Sportsman 800, 2014 Kawasaki KLR650, 2014 Suzuki Vstrom650
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post #6 of 8 (permalink) Old 11-12-2016, 04:55 PM
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Not for nothing, but what tranny the truck came with does not dictate a cat or not. Examples, I bought all my truck new:

00 F550 6spd - not cat.
02 F350 DRW 4spd auto - no cat.
02 F350 SRW 6spd - no cat.

Regardless, even with a cat ( I would bounce it if I could ) Get a 304 SS system they do not rust ! - 409 will, and do rust !

And I live in Upstate NY.......

Mongus rigs;
1992 F-Superduty Dump truck 7.3 - Luk SMF 5spd 5:13 rears-Ricksons 19.5 wheels & tires-Banks get kits.
This is my work hoarse !

2000 F550 - Crew cab -Custom Hood
Harley Flamed Fenders & Doors.
4x4-7.3 - South Bend 6spd 4:88 rears. Loaded ! Volant intake
Hog Performance 4" SS exhaust
Banks wheel, turbine, exhaust brake-Ceramic coated
AFE Blade Runner Spyder
Strickley Diesel Return Fuel & Banjo Bolts
IH up pipes - ceramic coated
Powder coated everything.
Brake Performance-slotted & dimpled rotors with performance pads
DP Tuner 80 Tow
Coolant filter system
Evens Coolant
203 thermostat
Bullet Liner coated Dana 60 front end

2008 F-350 Harley Davidson Crew cab - long bed - 6.4 - Banks-Six gun-Air intake-IQ-Dual Exhaust

2004 Pace American 28' x 9' x 8' enclosed work trailer. 18k GVW. Tri axle - loaded

Custom Built Roll -Off dump trailer. 17yard box. Double dual axles. 20k GVW.

Fully decked 2003 Anni Fat Boy.
Rare "Reaper Tins"

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post #7 of 8 (permalink) Old 11-18-2016, 03:48 AM
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Consider Magnaflow if you don't like a loud exhaust.
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post #8 of 8 (permalink) Old 12-17-2016, 06:13 AM
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I saw a real world drop of 75-80 degrees in my exhaust gas temperature (EGT) while towing, by just installing a straight flow through muffler on my stock 3.5" system.

Immediately I noticed the turbo spooled more freely, once I changed the muffler.
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