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Kooks 21+ Ford F-150 3 Dual Cat-Back Exhaust – Polished Tips

Kooks 21+ Ford F-150 2.7L / 3.5L / 5.0L 3″ Dual Cat-Back Rear Exit Exhaust – Polished Tips

Name: Kooks 21+ Ford F-150 2.7L / 3.5L / 5.0L 3" Dual Cat-Back Rear Exit Exhaust – Polished Tips - Wyld Performance
SKU: ksh13704210
Price: 2681.89 USD
Availability: OutOfStock
Rating: 5.00 (3 reviews)

SKU: ksh13704210

Rated 5.00 out of 5 based on 3 customer ratings

(3 customer reviews)

Original price was: $2,761.89.Current price is: $2,681.89.

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Categories: Last Chance Deals, Exhaust Mufflers & Tips

Kooks 21+ Ford F150 2.7/3.5/5.0L 3in Dual Cat-Back Rear Exit Exhaust w/Polished Tips (Part #13704210)

A 3-Inch Cat-Back System That Wakes Up Your F-150

Your 2021+ F-150 has a great engine. But the factory exhaust is restrictive. It holds back power. It sounds like a vacuum cleaner. You want that deep V8 rumble. Or you want to hear the turbos spool. You want more.This is the Kooks 3-inch Dual Cat-Back Exhaust System. Part #13704210. Fits 2021+ Ford F-150 with the 2.7L, 3.5L, or 5.0L engine. Rear exit configuration with polished tips.Kooks has been building exhaust systems since 1962 . They are a leader in the high-performance exhaust industry. Three generations of family leadership . Every product is handcrafted in the USA . This system is dyno and race tested . It is specifically designed for maximum power and torque.

Why Kooks?

This system is made from T-304 aircraft-quality stainless steel . It is mandrel-bent. Smooth bends. No restrictions. It reduces backpressure. It increases horsepower and torque. Kooks claims gains of over 60 horsepower and 50 lb-ft of torque to the rear wheels on some applications . You will feel the difference when you step on the gas.The exhaust features a deep, aggressive tone. It is louder than stock but not obnoxious. The 3-inch inlet connects to the factory exhaust and splits to dual 2.5-inch outlets . It includes polished resonators, a Kooks oval muffler, and 4-inch polished slash-cut tips that exit straight back under the rear bumper .

Fit And Finish

Kooks products fit and install the best in the industry . The system is a direct bolt-on. No cutting. No welding. It includes all necessary clamps and hanger mounts for installation . The polished tips give your truck a clean, finished look. It is backed by a limited lifetime warranty to the original purchaser .

Features & Benefits

T-304 Stainless Steel: Aircraft-quality. Corrosion-resistant. Durable.
3-inch Mandrel-Bent Tubing: Smooth airflow. Reduced backpressure. Maximum power.
Dual 2.5-inch Outlets: Efficient flow. Aggressive sound.
Polished Resonators and Oval Muffler: Refined exhaust note. No drone.
4-inch Polished Slash-Cut Tips: Rear exit. Clean look. Show-quality finish.
Bolt-On Installation: No cutting. No welding. Direct fit.
Dyno and Race Tested: Proven performance. Kooks quality .
Limited Lifetime Warranty: Peace of mind .
Made in the USA: Handcrafted in Statesville, North Carolina .

Vehicle Fitment

Fits:

2021+ Ford F-150 with 2.7L, 3.5L, or 5.0L engine .
Fits all trims: XL, XLT, Lariat, King Ranch, Platinum, Limited, Raptor, Tremor, SSV, Police Responder .
Designed for 145-inch and 157-inch wheelbase trucks .

Does NOT fit:

2020 and older F-150 models.
Regular Cab models (check fitment).
164-inch wheelbase trucks require an additional extension .
Not legal for sale or use in California. Not CARB compliant .

FAQ

Is this a direct bolt-on system?

Yes. No cutting or welding required. It bolts directly to the factory mounting points .

How does this exhaust sound?

It has a deep, aggressive tone. Louder than stock but not obnoxious. It is designed for a refined exhaust note .

Does this exhaust require a tune?

No. The system is designed to work with the factory ECU. A tune is not required but will optimize the performance gains.

Is this exhaust legal in California?

No. This product is not CARB compliant and is not legal for sale or use in California .

What is the warranty on this exhaust?

Kooks offers a limited lifetime warranty to the original purchaser .

[NB: Last Chance Deals item :Limited stock. Please confirm fitment before ordering. No returns on incorrect orders. Transit damage claims only.]

3 reviews for Kooks 21+ Ford F-150 2.7L / 3.5L / 5.0L 3″ Dual Cat-Back Rear Exit Exhaust – Polished Tips

Rated 5 out of 5
Joshua Daughtry – June 10, 2026
Deep aggressive tone without being obnoxious. my F-150 sounds incredible now. The polished tips are a nice finishing touch and quality is top shelf.
Rated 5 out of 5
Kyle Simpson – June 17, 2026
Bolted on the Kooks 3-inch dual cat-back on my ’21 F-150 5.0L and the sound is exactly what I was hoping for, deep, throaty, and serious without being obnoxious at cruise. The polished tips look premium against the black bumper. Power gain is real and noticeable in the mid-range. Fit was perfect and the welds are beautiful. My neighbor came over just to hear me rev it. If you want your F-150 to sound like it means business, Kooks is the answer.
Rated 5 out of 5
Emerson Radcliffe – July 22, 2026
Installed this Kooks 3-inch dual cat-back on my ’21 F-150 5.0 and the exhaust note is exactly the aggressive-but-not-obnoxious tone I was chasing. Polished tips look factory-quality, no cheap shine that fades over time. Rear exit design cleared my hitch without any modification needed. Install was a straightforward bolt-on, took my shop about two hours total. Highway droning is nonexistent even at steady cruising RPM, which was my biggest worry with a cat-back this size. Great combination of sound quality and build quality.

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Kooks 21+ Ford F-150 2.7L / 3.5L / 5.0L 3″ Dual Cat-Back Rear Exit Exhaust – Polished Tips

Kooks 21+ Ford F150 2.7/3.5/5.0L 3in Dual Cat-Back Rear Exit Exhaust w/Polished Tips (Part #13704210)