2011-2014 Ford F150 Diamond Eye 3.5 inch Exhaust Kit (Aluminized) | K3332A

2011-2014 F150 Diamond Eye 3.5 inch Aluminized Steel Cat-Back Exhaust System

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Part#:

K3332A

10 Review(s) Write a Review

6 Customer Q&A(s)

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Retail Price: $812.93

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Product Features
10 Customer Review(s)
6 Q&A(s)
Product Videos

Highlights:

3.5" Diameter
Aluminized Steel
Mandrel-Bent Tubing
Bolt-On Installation
Deep, Throaty Growl
Deletes Factory Resonator

Great Sound and Extra Performance for your F150

Diamond Eye has been in the truck exhaust game a long time, and they've used their knowledge to come up with an awesome 3.5" Cat-Back Exhaust System that can give your 2011 to 2014 F150 a nice boost in power, fuel economy, and a great sound. Diamond Eye's 3.5" Cat-Back Kit features a stock-style single-exit design that keeps your truck looking clean and mean while it produces a big, aggressive rumble that will instantly catch everyone's attention. Diamond Eye's larger tubing, unique muffler, and more efficient manufacturing enables this system to bring new life into the 3.5L EcoBoost V6, 5.0L V8 or 6.2L V8 of the 2011 to 2014 F150s.

3.5" Diameter Mandrel-Bent Exhaust Tubing

This aggressive Diamond Eye Cat-Back Exhaust Kit bolts on right in place of your truck's factory exhaust system in an easy install that can take less than an hour. The Diamond Eye kit features 3.5" diameter tubing that's all mandrel-bent to help improve exhaust outflow and reduce restrictions. The kit is made out of low-cost aluminized steel and comes standard with a high-performance muffler that produces a deep, throaty, and aggressively loud tone to give your truck a great sound to go along with all that power. The kit comes with both hardware and instructions for installation.

Fitment: 2011, 2012, 2013, 2014 Ford F150 3.5L/5.0L/6.2L

Installation Note: This Cat-Back Exhaust Kit deletes your factory resonator for a more aggressive tone.

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2011 f150 ecoboost

2011 f150 cc/sb ecoboost Took about three hours by my self, one of the better kits I have installed (especially for the price) I would recommend welding the section over the axle and get some jack stands to remove the old system in one piece. Sounds good,pretty mellow tone, nearly silent off throttle.

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Reviewed by: Grant from Albuquerque on 4/24/2017

2011 ford f150

Fit and finish are excellent, great sound, very pleased with this exhaust. Customer service from stage3 is great.

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Reviewed by: Ryan Dixon from IL on 4/30/2016

f150 ecoboost

It took about 2 hours to removed and install new exhaust. works well turbo comes faster . haven't worked it yet with my travel trailer. not much drone but it has alittle

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Reviewed by: Michael from wisconsin on 1/2/2017

2011 f150 5.0

Receive the muffler looks to be pretty good quality came with all the parts necessary installed in about 2 hours very pleased good product great price

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Reviewed by: Tony rosado from Florida on 11/8/2018

2011 f150

Decent kit for the price. Head pipe isn’t the best fit but it will go. Resonance isn’t bad unless your pushing it making it loud

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Reviewed by: Philip Rome from Hays ks on 2/26/2019

2913 F150 Crew

I have done quite a few of these exhaustion stalls over the years since the aluminized only last about three to four years and the Midwestern states here like Minnesota but the kit went together relatively well had a few bent tubes edges that you just have to tap around with a hammer to make sure they fit properly. insulation was pretty straightforward installed in under an hour I added a 5 inch tip after I cut a few inches off the tailpipe Section and I chose to tac weld the seams as it seems to be much more rigid . The system sounds good fairly quiet for normal driving little Drone at 60 but the addition of your stock resonator should help that if you so choose and Stephalee not as loud as the dual exhaust I replaced but the overall performance and tone when you're in the throttle is pleasant it is louder outside the truck then it is inside watching it driveway

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Reviewed by: Jeremy Standke from Medford on 9/18/2019

F150 5.0

Drones like crazy not a good buy unless you’re deaf

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Reviewed by: Jayson F from Illinois on 12/26/2019

F150 5.0

Great bends and easy install simple to follow the instructions and sounds great!! I would recommend!

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Reviewed by: Alex from Texas on 6/1/2018

2011 F150 Ecoboost

Took about 1 hrs with 2 people doing it. Great sound at start and at idle but very loud on acceleration and droning in cab is very noticeable. Going to try using the stock reasonator and see if that helps.

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Reviewed by: (Verified Buyer) Joshua from Elgin on 11/4/2018

2014 F150 STX 5.0L

My son has a two post lift so time to take out the old and put in the new was about 45 mins. The fit and finish of the Diamond Eye was excellent. The sound on the coyote engine is amazing. But, for me a bit too aggressive. I put a 16 race bullet as a resonator and it was still quite noticeable in the cab. I tried hard to get this sound when I was much younger, so those of you that like that nice rumble in the cab without the windows open, this was a great setup. I ended up putting a Walker short designed resonator on it so all the sound goes out the pipe. Nice very low rumble in cab until you get on it, then it's quite fun. I plan on trying an 18 Vibrant Performance bottle resonator to let more of the exhaust out. The Walker restricts just a bit, so I did loose a tad on the throttle response. For a low cost, but nicely put together system, this one fits the bill

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Reviewed by: (Verified Buyer) Jerry from Greenwood, IN on 9/20/2017

will this catback system fit a supercrew with the 6.7ft bed

Asked by: mark stewart - 7/18/2021

This kit will fit an F150 with a SuperCrew cab and a 6.5ft bed and 157" wheelbase, though it will require some trimming of the included extension tube for fitment.

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Answer provided by: Jason@Stage3 (7/19/2021)

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Am I able to change the tip on the end of the muffler, do I have to weld or clamp everything together when I install it, and what size is the inlet?

Asked by: Tyk112 - 7/1/2020

This cat-back kit does not come with a tip. You can feasibly use any 3.5" inlet exhaust tip. Whether you'll need to trim, weld, or clamp depends on your choice of tip and how secure you want it to be.

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Answer provided by: Jason@Stage3 (7/2/2020)

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Will this fit a regular cab with a 8ft bed? Will it require trimming?

Asked by: Zach - 9/2/2019

This exhaust will fit a Regular Cab 8ft Bed F150, though it will require some trimming.

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Answer provided by: Jason@Stage3 (9/3/2019)

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Does the muffler have a direction it should be installed? I let outlet markings?

Asked by: AH - 6/24/2019

This muffler does not need to be installed in a specific direction. The muffler has a perforated design and gives you the same sound in either direction.

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Answer provided by: Jason@Stage3 (6/27/2019)

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This just bolts right onto existing cat pipes? Or do you need a adapter from 3 to 3.5 in?

Asked by: Ben - 10/18/2018

An additional adapter is not required. Diamond Eye's kit necks down to bolt up to the factory Y-pipe.

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Answer provided by: Jason@Stage3 (10/19/2018)

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Whats the size of the outlet?

Asked by: Matt - 4/8/2018

The outlet of the tailpipe is 3.5".

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Answer provided by: Jason@Stage3 (4/9/2018)

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2011-2014 Ford F150 Diamond Eye 3.5 inch Exhaust Kit (Aluminized) | K3332A

K3332A

Great Sound and Extra Performance for your F150

3.5" Diameter Mandrel-Bent Exhaust Tubing

will this catback system fit a supercrew with the 6.7ft bed

Am I able to change the tip on the end of the muffler, do I have to weld or clamp everything together when I install it, and what size is the inlet?

Will this fit a regular cab with a 8ft bed? Will it require trimming?

Does the muffler have a direction it should be installed? I let outlet markings?

This just bolts right onto existing cat pipes? Or do you need a adapter from 3 to 3.5 in?

Whats the size of the outlet?

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