Intake/Exhaust on a 03 4.0 runner

AH64ID · 04-06-2006, 12:17 PM

I am looking at doing a few small things to my wifes runner. I already put a 1" lift up front to level it (funny for 20 years runner had SAS, now they are the opposite). I am swaping all the fluids this summer to synthetic, as well as adding a bypass filter.

What have people thought about the K&N FIPK? Is it work it? This rig doesnt see the trail much, I have my 92 for that. But I want something that will help the mpg a little. I already get 21-25 on the fwy, but every mpg counts.

As far as exhaust goes I am a big fan of aftermarket pipes, but stock looks pretty good, and they have a lifetime warrenty from toyota. I am certainly no going as far as a headers, but cat (cats since there are 4) back?? Was is a big improvment, or just a wicked sound?

Anyother input on improving efficancy and performance is appreciated. I know the two usually dont go hand in hand, but many performance upgrades offer increased economy when your foot isnt in it.

Good Times · 04-06-2006, 01:15 PM

K&N FIPK... not worth it in my eyes. Lots of discussion on it clogging the sensors with oil and junk. Check out True Flow... it's amazing!

exhaust...
Borla Exhaust ( Personal favorite )
Gibson Exhaust
TRD Exhaust

Headers....
none yet to my knowledge

Good luck!

Sharp4runr · 04-06-2006, 02:13 PM

The magnaflow system for the 4th gens is awesome. I personally don't like the dual exhausts (split sides) look, but prefer it exiting right behind the passenger rear tire.

AH64ID · 04-06-2006, 03:08 PM

True Flow only makes products for the 4.7, any other ideads?

Silver_Truck · 04-06-2006, 06:16 PM

i've got no problems with my K&N you've just got to be careful i guess when you're oiling it. just shoot the whole hting let it sit 15 min then hit any white spots lightly

AH64ID · 04-06-2006, 07:10 PM

I also have a K&N on my truck, with no problems, so ??? it just depends on how you clean it I think.

04-06-2006, 12:17 PM	#1 (permalink)
AH64ID Contributing Member Join Date: Dec 2002 Location: Idaho Posts: 4,644	Intake/Exhaust on a 03 4.0 runner I am looking at doing a few small things to my wifes runner. I already put a 1" lift up front to level it (funny for 20 years runner had SAS, now they are the opposite). I am swaping all the fluids this summer to synthetic, as well as adding a bypass filter. What have people thought about the K&N FIPK? Is it work it? This rig doesnt see the trail much, I have my 92 for that. But I want something that will help the mpg a little. I already get 21-25 on the fwy, but every mpg counts. As far as exhaust goes I am a big fan of aftermarket pipes, but stock looks pretty good, and they have a lifetime warrenty from toyota. I am certainly no going as far as a headers, but cat (cats since there are 4) back?? Was is a big improvment, or just a wicked sound? Anyother input on improving efficancy and performance is appreciated. I know the two usually dont go hand in hand, but many performance upgrades offer increased economy when your foot isnt in it. __________________ -John '05 Dodge 3500 SRW 4x4 SLT 5.9 Cummins QC LB NV5600 6 Spd, Pricol EGT and boost, 2" Level, Jake Brake, Muffler Delete, filtered, lubed and bypassed by Amsoil, Mag-Hytec Rear, Fast Coolers, Baldwin 7977, Smarty JR SW#1, Toyo 285's... 2003 SR5 4Runner, V6 4WD. 1" cornfed lift Previous Toyota's '92 Red Truck NALA Speed doesn't kill, its the sudden stop that hurts. Last edited by 4x4nala; 04-06-2006 at 03:09 PM.

04-06-2006, 01:15 PM	#2 (permalink)
Good Times Contributing Member Join Date: Dec 2002 Location: Los Angeles, CA Posts: 4,702	K&N FIPK... not worth it in my eyes. Lots of discussion on it clogging the sensors with oil and junk. Check out True Flow... it's amazing! exhaust... Borla Exhaust ( Personal favorite ) Gibson Exhaust TRD Exhaust Headers.... none yet to my knowledge Good luck! __________________ 2003 4runner SR5 4x4 Chaos Edition Chaos Edition! Operation Rebuild Chaos Edition Need to reach me or ask questions? You can find me here!

04-06-2006, 03:08 PM	#4 (permalink)
AH64ID Contributing Member Join Date: Dec 2002 Location: Idaho Posts: 4,644	True Flow only makes products for the 4.7, any other ideads? __________________ -John '05 Dodge 3500 SRW 4x4 SLT 5.9 Cummins QC LB NV5600 6 Spd, Pricol EGT and boost, 2" Level, Jake Brake, Muffler Delete, filtered, lubed and bypassed by Amsoil, Mag-Hytec Rear, Fast Coolers, Baldwin 7977, Smarty JR SW#1, Toyo 285's... 2003 SR5 4Runner, V6 4WD. 1" cornfed lift Previous Toyota's '92 Red Truck NALA Speed doesn't kill, its the sudden stop that hurts.

04-06-2006, 06:16 PM	#5 (permalink)
Silver_Truck Contributing Member Join Date: Oct 2004 Location: Melbourne, Australia Posts: 1,784	i've got no problems with my K&N you've just got to be careful i guess when you're oiling it. just shoot the whole hting let it sit 15 min then hit any white spots lightly __________________ -Geoff *1991 Toyota Pickup Ext. Cab SR5 4x4 V6 5 spd K&N intake, port & polished heads with OS valves, port & polished intake manifold and plenum, NWOR headers and crossover, NWOR catback, Denso Iridium plugs, Redline Fluids, 4.88s, Rear LockRight, Aisin hubs, Chevy springs, BJ spacers, 2" RB body lift, 34x10.5 Swamper LTBs, WolphisWorks Sliders and bumpers, 400,000 mi.

04-06-2006, 07:10 PM	#6 (permalink)
AH64ID Contributing Member Join Date: Dec 2002 Location: Idaho Posts: 4,644	I also have a K&N on my truck, with no problems, so ??? it just depends on how you clean it I think. __________________ -John '05 Dodge 3500 SRW 4x4 SLT 5.9 Cummins QC LB NV5600 6 Spd, Pricol EGT and boost, 2" Level, Jake Brake, Muffler Delete, filtered, lubed and bypassed by Amsoil, Mag-Hytec Rear, Fast Coolers, Baldwin 7977, Smarty JR SW#1, Toyo 285's... 2003 SR5 4Runner, V6 4WD. 1" cornfed lift Previous Toyota's '92 Red Truck NALA Speed doesn't kill, its the sudden stop that hurts.

04-06-2006, 02:13 PM	#3 (permalink)
Sharp4runr Registered User Join Date: Feb 2006 Posts: 86	The magnaflow system for the 4th gens is awesome. I personally don't like the dual exhausts (split sides) look, but prefer it exiting right behind the passenger rear tire.

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