FRX or 4" exaust 1st? - 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 4 (permalink) Old 06-10-2013, 07:49 PM Thread Starter
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FRX or 4" exaust 1st?

I have a 01 auto 3.73 gear auto. It has a edge evolution tuner, S&B air cleaner, ATS spider, GDS ball buster turbo, and walker big truck muffler. I also have the hutch and prefilter mod, harpoon and zoodad. Should I go with frx or 4" exaust next?
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post #2 of 4 (permalink) Old 06-10-2013, 11:14 PM
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Id do the frx first, youll gain more from it than an exhaust

03 F350 7.3L Auto CC LB Dually 410's (LS Rear)

PHP/Beans tuned/250/100 FF inj's, BTS Tranny, Strictly Diesel complete fuel system with RR & FB delete, Pius LASB from Irate, Swamps HVHF IDM.
Autometer Nexus Guages, 4"MBRP, DieselSite Coolant filtration system/billet housing/HP X-Over line. Baldwin PA2818(6637) RR Boots/CBillet Plenums, ('06) 26 row Tranny & PS Cooler, LarryB's Genuine Denso Starter
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post #3 of 4 (permalink) Old 06-11-2013, 09:38 PM
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I agree with INFRNL, since you are already letting it breathe a little better, do the FRX. But, consider the Ford AIS for a lot of good clean air coming in.

Scott

2000 F250 Ext Cab Long Bed 7.3 Auto
Performance Red
Ford Severe Duty AIS w/Zoodad and fender sleeve, MBRP 4" Turbo Back, FRx, EGT/Trans/Boost gauges, AIH Delete Plug, Dieselsite Boots with Plenum Inserts, PHP Hydra, TransGo Shift Kit
Born in KY on 10/05/99

2005 F250 Lariat, CC, Short Box, FX4 - SOLD...loved that truck!
Arizona Beige/Tan
Magnaflow 4" Cat back
Leveled w/ Toyo Open Country A/T 285/75-18's
Bilstein 5100's
Born in KY on 12/07/04
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post #4 of 4 (permalink) Old 06-12-2013, 12:25 PM
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I would do a full fuel filter-fuel bowl delete kit with the post filter...Strictly's kit is the best available IMO. It works!
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  Diesel Forum - TheDieselStop.com > 1999-2007 Ford Super Duties > '99 & up Upgrades and Aftermarket - 7.3L Engine

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