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2009-2014 F150 Performance Parts
2011-2014 F-150 EcoBoost Performance Parts & Accessories
Exhaust
Downpipes
2011-2014 F150 3.5L EcoBoost SPD 3 inch Catted Downpipes Aluminized Steel Exhaust System
2011-2014 Ford F150 3.5L EcoBoost SPD 3 inch Aluminzed Catted Downpipes | Part# DP35F1114-HFC
2011-2014 F150 3.5L EcoBoost SPD 3 inch Catted Downpipes Aluminized Steel Exhaust System
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Part#:
DP35F1114-HFC
5 Review(s)
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9 Customer Q&A(s)
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Product Features
5 Customer Review(s)
9 Q&A(s)
Highlights:
Adds power and torque to your F150
Larger diameter with more efficient flow
48-State Legal catalytic converters
Aluminized steel with ceramic-coated finish
Bolt-on replacements for stock
Custom tuning recommended
Improves Power and Flow without throwing CELs
The stock downpipes and factory catalytic converters are the most restrictive components of your F150's 3.5L EcoBoost V6, and if you want your aggressive F150 EcoBoost build to make some big power, you'll need SPD's 3" Catted Downpipes. SPD's Catted Downpipes offer a big improvement in exhaust outflow and efficiency that can see your F150 make awesome levels of power after the right custom tuning. SPD's downpipes come standard with a ceramic finish that gives them superior corrosion resistance than other aluminized downpipes. SPD's catted downpipes even use catalytic converters that don't throw a CEL and help you keep your F150 emissions-compliant and street-legal in most areas. SPD's catted downpipes install right into place of your F150's factory downpipes without cutting or trimming, saving you time and hassles.
3" Diameter Aluminized Steel with Ceramic-Coat Finish
SPD's Catted Downpipes were carefully designed to improve your F150's performance, all while giving you long-term reliability and emissions compliance. SPD's catted downpipes are built around 3" diameter, mandrel-bent tubing that allows for much more efficient exhaust flow with less backpressure than the stock downpipes. SPD's catted downpipes feature catalytic converters designed to avoid CELs, but that still offer improved exhaust flow over the stock cats, but still help prevent CELs and keep your F150 street-legal in non-CARB states. The downpipes are made entirely out of aluminized steel that then receives a gray VHT high-temp ceramic coating to further protect them from corrosion and provide some extra heat insulation. The coating can be re-applied if damaged. SPD's downpipes install in place of your F150's factory downpipes without permanent modifications and come with all their necessary hardware.
Fitment:
2011, 2012, 2013, 2014 F150 3.5L EcoBoost
Custom Tuning Recommended:
custom tuning is strongly recommended after installation of these downpipes.
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2011 ecoboost f150
Great product, no fitment issues, no CEL
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12 of 12
Found Helpful
Reviewed by:
Ryan
from South Carolina on 3/2/2019
5
2014 F150 XLT 3.5 Ecoboost
Pipes are awesome. Sound great. Highly recommend getting the SPD turbo adapters and install kit while your downpipes are off. Exhaust whistle is much more noticeable, and tone is more grunty. I had clogged cats and needed to replace an O2 sensor so I did everything all at once. Quality is top-notch, install went okay. Had to use a Map/Pro torch to heat up the turbo housings to get two studs out (two studs turned out of the turbos when trying to loosen the downpipe nuts, two others stayed in). Jacob Hozen from SPD is awesome to deal with, if you have any issues, questions, or want to reach out for expedited shipping. Be sure to follow the simple 12-minute break-in procedure included in the instructions.
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8 of 9
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Reviewed by:
Cody Catalano
from Falconer, NY on 4/5/2020
5
2012 F150 EcoBoost 4x4 KR
Very pleased with this downpipe setup. I ended up just cutting my old ones out and pieced together the new DP underneath the truck. I did turbo adapters and 3in res delete pipe at the same time, and it really opens things up. Turbo whistle is super loud. SPD is great and they make awesome products. Stage 3 has without a doubt become my go to for truck upgrades. Thanks again!
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5 of 5
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Reviewed by:
Grant
from The Woodlands on 7/5/2020
5
2012 F150 Ecoboost
At 160k miles, I had one cat nearly fully clogged and the 2nd one starting to throw a code. I purchased this downpipe set mainly because it was within my budget and came in pieces. Because I was doing the install myself, it was important that I could install each piece one at a time and then tighten them all together. It was a pain getting my stock ones off (mainly due to rust), and I even broke one of the turbo to exhaust flange mounting bolts. But in the end, I succeeded. This downpipe not only fixed my issue, but it improved performance and definitely makes the turbo noise more noticeable. Anyone that's rode in the truck since the change with the windows down has commented on the turbo noise (in a good way).
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4 of 4
Found Helpful
Reviewed by:
Patrick S
from Fort Wayne, IN on 7/16/2020
5
2013 F-150 EcoBoost
This is a perfect fit for the EcoBoost trucks. Finish is top notch, all hardware is easy to use. Replaced my clogged header pipe with these and the truck runs better than it has in a long time.
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3 of 3
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Reviewed by:
Dave
from Texas on 2/26/2020
5
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Will these downpipes work with the Roush power pac? Don’t want to have to retune the truck.
Asked by:
Tremor
- 11/15/2023
This downpipes are able to be ran on the factory tune so you shouldn't have an issue with the truck running properly. The only thing that may happen with a tune not built specific for them is that you may get a check engine light due to the increase of flow through the catalytic converters. It's not a common issue to have, but there is a chance that you may get one without a proper tune for them.
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Answer provided by:
Joel Galaz (11/16/2023)
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I’m assuming that since this doesn’t ship to CA, the cats wouldn’t pass a smog check in California. Is that correct?
Asked by:
Z
- 8/30/2022
Correct. The catalytic converters included in these downpipes are 48-state approved, but they are not CARB approved and don't have an EO number for street use in California.
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Answer provided by:
Jason@Stage3 (8/30/2022)
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What would be the big difference between this downpipe and Kooks 3" Catted Downpipes? I'm trying to decide between the two and I'm wondering which would be the better choice.
Asked by:
Jake
- 2/13/2022
The biggest difference is material. The Kooks downpipes are made out of 304 stainless steel while the SPD downpipes are made out of aluminized steel. In general, 304 is better for harsh climates or areas that use salt on the roads during winter. Aluminized steel is generally fine for milder climates, and SPD does ceramic coat their downpipes, which makes them much less susceptible to corrosion.
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Answer provided by:
Jason@Stage3 (2/14/2022)
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Will installing this downpipe have a negative affect on my gas mileage?
Asked by:
Matt
- 2/1/2022
In general, the downpipe itself will not have an effect on your fuel economy. However, how folks tend to drive after an aftermarket downpipe and tune usually means they see a loss in fuel economy since the skinny pedal does get a bit more fun. As long as you drive like you're trying to get good fuel economy, you should not see a decrease.
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Answer provided by:
Jason@Stage3 (2/2/2022)
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Will this fit the factory exhaust or do I have to have a cat back system? I want to help my engine breath a little easier but I'm not a fan of a loud ecoboost exhaust.
Asked by:
Brandon
- 1/16/2022
This set of downpipes does not require an aftermarket cat-back exhaust kit. It will work fine with the factory cat-back system.
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Answer provided by:
Jason@Stage3 (1/17/2022)
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I have an SCT X4 tuner and run the 91 octane tune with afe magnum cai. Will this work with my setup without throwing a check engine light?
Asked by:
Anthony
- 6/3/2020
In theory, you should not throw a CEL with a custom tune and a cold air intake. However, you may want to get your tune rewritted for this downpipe, even if you don't run into CEL issues.
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Answer provided by:
Jason@Stage3 (6/4/2020)
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Could I use these as direct bolt on downpipes without a custom tune or any other modifications?
Asked by:
mitch
- 4/20/2020
We still recommend getting a tune with these downpipes. Since they outflow the factory downpipes, you run the possibility of running lean at high boost or RPM. Tuning also helps keep the cats hot to further reduce the chances of a CEL.
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Answer provided by:
Jason@Stage3 (4/21/2020)
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I have a bad Cat and wanted to replace them both at the same time for my truck. I have a diablo sport i3 tuner and just run the factory tunes that came with it. Can I replace them with a set like this and avoid doing custom tunes? should i just get OEM replacement ones? im not going for HUGE gains, but i like the idea of having a set that i will never have to replace again. Thanks.
Asked by:
andy
- 7/21/2019
In theory, these downpipes should work just fine with an i3 and its base tuning. However, we haven't tried the combination ourselves.
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1 of 1
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Answer provided by:
Jason@Stage3 (7/23/2019)
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im looking at the spd high flow downpipes vs the afe high flow downpipes what are the difference between the two other then the spd being 3in and afe bing 3in to 3.5 in and what one sounds more aggressive ?
Asked by:
tommy
- 11/19/2018
The SPD Downpipes include 48-state legal catalytic converters, which makes them able to pass emissions testing. The aFes come with high-flow cats which reduce rasp, but can still throw a CEL and have issues passing emissions. The aFe's would arguably have a more aggressive tone due to their less restrictive cats.
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Answer provided by:
Jason@Stage3 (11/21/2018)
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