User Tag List

Reply
 
Thread Tools Rate Thread Display Modes
Old 03-28-2021, 07:56 AM #1
Spielightdude Spielightdude is offline
Member
 
Join Date: Jan 2019
Location: CANTERBURY
Posts: 36
Spielightdude is on a distinguished road
Spielightdude Spielightdude is offline
Member
 
Join Date: Jan 2019
Location: CANTERBURY
Posts: 36
Spielightdude is on a distinguished road
Cold air intake and cat back exhaust question

Hi everyone,

My boss at work and I disagree in something but for those that have a Cai and cat back exhaust do they really help in terms of mpg and power?
I had a Cai on my old jeep and felt a difference in overall power but it wasn't a newer one and didn't have as much computer stuff for the engine ect.

If it does help I will definitely add it to my build list if not I'll put the plans and money when i have it elsewhere for my 4runner when I get it in Feb of this coming year when my Tundra lease is up.

Thanks everyone
Spielightdude is offline   Reply With QuoteReply With Quote
Old 03-28-2021, 08:05 AM #2
eevanskiteboards eevanskiteboards is offline
Member
 
Join Date: Jan 2020
Location: South Florida
Posts: 56
eevanskiteboards is on a distinguished road
eevanskiteboards eevanskiteboards is offline
Member
 
Join Date: Jan 2020
Location: South Florida
Posts: 56
eevanskiteboards is on a distinguished road
Yeah I was a skeptic too but eventually got the s&b intake and the Gibson catback and my mile per gallon went up in the ballpark of 8 to 10%. I also have the pedal commander and maybe that helps a little bit I don't know but definitely noticeable with the intake and exhaust. I would definitely do it again, but dealing with some issues with the rattle and the drone sound on the exhaust have been annoying.

Sent from my Pixel 4a using Tapatalk

Last edited by eevanskiteboards; 03-28-2021 at 08:16 AM.
eevanskiteboards is offline   Reply With QuoteReply With Quote
Old 03-28-2021, 08:53 AM #3
Mudballz's Avatar
Mudballz Mudballz is offline
Member
 
Join Date: Mar 2019
Location: Nyc
Posts: 581
Mudballz has a spectacular aura about Mudballz has a spectacular aura about Mudballz has a spectacular aura about
Mudballz Mudballz is offline
Member
Mudballz's Avatar
 
Join Date: Mar 2019
Location: Nyc
Posts: 581
Mudballz has a spectacular aura about Mudballz has a spectacular aura about Mudballz has a spectacular aura about
No change in MPG but throttle response is way better induction sound is amazing
Mike
Mudballz is offline   Reply With QuoteReply With Quote
Old 03-28-2021, 11:13 PM #4
fkheath fkheath is online now
Member
 
Join Date: Sep 2020
Location: Utah
Posts: 598
fkheath is a jewel in the rough fkheath is a jewel in the rough fkheath is a jewel in the rough
fkheath fkheath is online now
Member
 
Join Date: Sep 2020
Location: Utah
Posts: 598
fkheath is a jewel in the rough fkheath is a jewel in the rough fkheath is a jewel in the rough
Quote:
Originally Posted by Spielightdude View Post
Hi everyone,

My boss at work and I disagree in something but for those that have a Cai and cat back exhaust do they really help in terms of mpg and power?
I had a Cai on my old jeep and felt a difference in overall power but it wasn't a newer one and didn't have as much computer stuff for the engine ect.

If it does help I will definitely add it to my build list if not I'll put the plans and money when i have it elsewhere for my 4runner when I get it in Feb of this coming year when my Tundra lease is up.

Thanks everyone
I had both on my Wrangler and liked them. A bit more power. Many of the CAI people "guarantee" more power. I like K&N be best for CAI.

As other have said, the sound difference is great.
fkheath is online now   Reply With QuoteReply With Quote
Old 03-29-2021, 08:47 AM #5
NW.OH.T4R NW.OH.T4R is offline
Member
 
Join Date: Jun 2019
Location: NW, Ohio
Posts: 587
Real Name: Jason
NW.OH.T4R is a jewel in the rough NW.OH.T4R is a jewel in the rough NW.OH.T4R is a jewel in the rough
NW.OH.T4R NW.OH.T4R is offline
Member
 
Join Date: Jun 2019
Location: NW, Ohio
Posts: 587
Real Name: Jason
NW.OH.T4R is a jewel in the rough NW.OH.T4R is a jewel in the rough NW.OH.T4R is a jewel in the rough
I added the following incrementally to measure the differences. Time between each change was about 3 months. I don't put a ton of miles on mine, (just hit 16k on my '19).
TRD CAI - slight reduction to mpg
TRD CAI + TRD filter - no change
TRD Exhaust - slight increase in mpg (16.4 - 16.7 average)
URD MAF calibrator - increase (average with non-winter mix fuel 17.4)

I also have added sliders and full skid package between the CAI+filter and present. All aluminum. This is on a TRD Pro, so your baseline may be a bit better than mine.
NW.OH.T4R is offline   Reply With QuoteReply With Quote
Old 03-29-2021, 01:12 PM #6
97BlackAckCL's Avatar
97BlackAckCL 97BlackAckCL is offline
Elite Member
 
Join Date: Mar 2010
Location: Pittsburgh
Posts: 5,245
Real Name: Chris
97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of
97BlackAckCL 97BlackAckCL is offline
Elite Member
97BlackAckCL's Avatar
 
Join Date: Mar 2010
Location: Pittsburgh
Posts: 5,245
Real Name: Chris
97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of 97BlackAckCL has much to be proud of
Definite bump in HP and throttle response, my gas mileage went up a bit but not super noticeable. My truck definitely gets up and goes much better after the exhaust and intake
__________________
2017 Nautical Blue SR5 Premium - Black Emblems, AFE TB Spacer, AFE Momentum GT Intake, URD MAF Calibrator, Borla Touring Cat-Back Exhaust, RCI Skid Plate, Morimoto MLED 2.0 Headlight Retrofit, Morimoto LED Fogs, Eagle Eye Smoked Black Tail Lights, FyreFlys LED Interior, Meso Puddle Lights, Tinted Mirror Turn Signals, Smoked Amber Raptor Lights, Odyssey 34 Battery, 32" LED Bar with Rago Hidden Brackets, Rago Molle Panels, Side Shooter LED Ditch Lights, sPod w/ PowerTray, Raceline Matte Bronze Wheels w/ Cooper Discoverer RTX, CaliRaised Rock Sliders, BajaRack Full Length Roof Rack, Alpine Halo9, Infinity Kappa Door Speakers, JBL 3.5's in dash, JL 8w3v3 in JBL Enclosure, Husky Weather Beaters, CanvasBack Liners, Blackvue DR900S Dash Cams
97BlackAckCL is offline   Reply With QuoteReply With Quote
Old 03-29-2021, 01:13 PM #7
Whippersnapper02's Avatar
Whippersnapper02 Whippersnapper02 is offline
Member
 
Join Date: Jan 2013
Location: OC, Derpifornia
Age: 37
Posts: 754
Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all
Whippersnapper02 Whippersnapper02 is offline
Member
Whippersnapper02's Avatar
 
Join Date: Jan 2013
Location: OC, Derpifornia
Age: 37
Posts: 754
Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all Whippersnapper02 is a name known to all
Not really. Maybe 3 horsepower at 9000 RPM.
__________________
2019 Runner TRD Offroad Premium w/KDSS
Whippersnapper02 is offline   Reply With QuoteReply With Quote
Old 03-29-2021, 01:31 PM #8
91foxbody 91foxbody is online now
Member
 
Join Date: Dec 2020
Location: PNW
Posts: 137
91foxbody will become famous soon enough
91foxbody 91foxbody is online now
Member
 
Join Date: Dec 2020
Location: PNW
Posts: 137
91foxbody will become famous soon enough
Any gains you're feeling/noticing from CAI/cat-back is imaginary at best. Stock filter systems and exhausts are pretty damn good these days, and the only gains you'd recognize would be from forced induction or removal of cats in the exhaust.
91foxbody is online now   Reply With QuoteReply With Quote
Old 03-29-2021, 04:59 PM #9
WhiteMudhorn WhiteMudhorn is offline
Member
 
Join Date: Mar 2021
Location: TX
Posts: 55
WhiteMudhorn is on a distinguished road
WhiteMudhorn WhiteMudhorn is offline
Member
 
Join Date: Mar 2021
Location: TX
Posts: 55
WhiteMudhorn is on a distinguished road
With the cost of intake and exhaust.. wouldn't something like the Vivid Racing Tune be better gain wise? Per the Dyno its got very good gains across the power band. Even better if you decided CAI & CBE.
WhiteMudhorn is offline   Reply With QuoteReply With Quote
Old 03-29-2021, 08:07 PM #10
mo_mo mo_mo is offline
Member
 
Join Date: Jul 2014
Location: Earth
Posts: 509
mo_mo will become famous soon enough mo_mo will become famous soon enough
mo_mo mo_mo is offline
Member
 
Join Date: Jul 2014
Location: Earth
Posts: 509
mo_mo will become famous soon enough mo_mo will become famous soon enough
OEM is going to do all that is reasonable to meet CAFE standards.

The 4Runner comes with a CAI. Almost all aftermarket CAIs are just a new filter in a new box and removing the helmholtz resonators. Basically it sounds different, but it's not moving more air into the combustion chamber.

Same story with a cat back, or most exhaust mods. OEMs aren't leaving much if anything on the table here and butt dynos can be heavily influenced by your ears.

Actual dynos can be heavily influenced through other manners (AC on/off, engine/transmission hot/cold [open/closed loop], tire pressure, ambient conditions, etc.), so unless someone is doing multiple dyno runs before and after, then it's difficult to really compare unless you're seeing huge differences like you're now boosted.

MPG is so heavily influenced from seasonal fuel changes, traffic, tire pressure, etc it is a difficult gauge that must be measured over 10s of 1000s of miles to get relative accurate readings of changes.
__________________
2014 T4R TE Nav KDSS Super White
Demello Hybrid Bolt On Sliders | Toyo Open Country AT III LT285/70R17 C | Ironman 4x4 Foam Cell Pro Stage 2 | Durobumps | Rago Molle Panels | Leather steering wheel cover | RCI Full Skids (Aluminum) | Drawer less drawer system and sleeping platform. | TRD CAI | RAV4 Sideview Mirrors: 87961-42D20 & 87931-42D50 | Blackvue DR650S-2CH | Cobra 75 WX ST with 4í Firestik + Magnet Roof Top Mount | MXT275 Midland GMRS radio | 3M Crystalline: Front CR70, A-B CR50, B-Aft CR40 | RRW Leather Seat Covers | 3DMax Floor Mats and Rear Husky Liner | former LT265/70R17 C Duratracs
mo_mo is offline   Reply With QuoteReply With Quote
Reply

Tags
back , cai , cat , exhaust , power

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Aftermarket Exhaust / Cold Air Intake chad08 5th gen T4Rs 32 08-29-2017 07:09 PM
gibson exhaust + Cold Air Intake cangler 4th Gen T4Rs 4 07-07-2011 03:08 PM
Cold air intake and exhaust help with mpg bigwalts4runner 4th Gen T4Rs 6 04-03-2011 11:03 AM
Borla Exhaust with Cold Air Intake Rolltide10 4th Gen T4Rs 6 03-14-2009 10:05 AM
Advice on Cold air intake & Exhaust kmhawaiidh 4th Gen T4Rs 16 11-23-2008 02:34 PM

Powered by vBadvanced CMPS v3.2.2

All times are GMT -4. The time now is 11:18 PM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2021 DragonByte Technologies Ltd.
Feedback Buttons provided by Advanced Post Thanks / Like (Lite) - vBulletin Mods & Addons Copyright © 2021 DragonByte Technologies Ltd.
User Alert System provided by Advanced User Tagging (Lite) - vBulletin Mods & Addons Copyright © 2021 DragonByte Technologies Ltd.
***This site is an unofficial Toyota site, and is not officially endorsed, supported, authorized by or affiliated with Toyota. All company, product, or service names references in this web site are used for identification purposes only and may be trademarks of their respective owners. The Toyota name, marks, designs and logos, as well as Toyota model names, are registered trademarks of Toyota Motor Corporation***Ad Management plugin by RedTyger
 
Copyright © 2020