STILLEN
2022+ Tundra 3.4L Twin Turbo V6 - STILLEN Cat-Back Exhaust
2022+ Tundra 3.4L Twin Turbo V6 - STILLEN Cat-Back Exhaust
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Features & Benefits:
- Dyno‑verified gains: up to +10 WHP / +12 lb‑ft WTRQ for stronger throttle response and everyday drivability.
- Optimized sound & performance: dual 2.5‑in tubing into a single performance muffler—deep, confident tone without harsh rasp or drone
- Polished or Black exhaust tip options
- Twin‑turbo friendly flow: layout balances backpressure and velocity to make the most of the VR‑inspired 3.4L TT V6 across the usable RPM band
- CNC‑machined flanges and mandrel‑bent 304 stainless for precision fit, flow, and long‑term durability
- True bolt‑on install: no cutting or welding
- Increase in fuel economy has been reported by some customers but unverified by STILLEN
- Made in the USA
- Limited lifetime warranty
- Compatible with:
- Hybrid and Non-Hybrid models
- 5.5 ft or 6.5 ft beds
- Factory bed step
- Will not fit the Long Bed CrewMax Cab
2022-2024 Toyota Tundra 3.4L Twin Turbo V6 STILLEN Cat-Back Exhaust [509356/509355] Description:
Turn every start‑up into a statement and every mile into momentum. The STILLEN Cat‑Back Exhaust unlocks the 3.4L twin‑turbo V6’s personality with dyno‑proven gains of up to +10 wheel horsepower and +12 lb‑ft of torque, delivering crisp throttle response and a surge of mid‑range pull you can feel on the street, towing, or the trail. Built in Costa Mesa, California, the system installs cleanly as a true bolt‑on—no cutting, no welding—thanks to CNC‑machined flanges and mandrel‑bent 304 stainless tubing that maintain smooth, uninterrupted flow while resisting corrosion for years to come. The acoustics are tuned, not just loud: dual 2.5‑inch runs merge into a single performance muffler, shaping a deep, confident note that adds excitement under load and settles into a civilized presence at cruise.
For the adventure‑inclined, STILLEN considered the terrain as much as the dyno. The routing can be shortened at the axle to improve departure angle, adding confidence on break‑overs and rocky exits, while remaining compatible with hybrid and non‑hybrid models, 5.5‑ft and 6.5‑ft beds, and the factory bed step—so your truck’s capability and features stay intact. Finish it your way with polished stainless or black tips, and drive with peace of mind under a limited lifetime warranty that reflects STILLEN’s decades‑long commitment to American manufacturing and real‑world performance. This isn’t just an exhaust; it’s a refined release of the Tundra’s potential—engineered to perform, designed to endure, and tuned to thrill.
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Beat exhaust for my 3rd gen tundra
Exhaust came extremely well packaged. Probably enough stuffing paper to Christmas presents for the next 3 years.
The install of the system would have been pretty easy if it actually fit a crew max with 6.5ft bed. Manifold pipes to muffler were short about 16inches.
That said, customer service was very quick and responsive to offer a few options. Return for full refund, stillen to pay for custom install at a local shop, or reimburse me for materials.
I chose the reimbursement of materials. Given I was mid install of the system.
Reimbursement came within 24 hours of me sending in the materials receipt.
Overall I like the fit, finish and sound from the new Exhaust. This is my first 6 cylinder Exhaust. So I'm not exactly sure of the sound I was anticipating.
Very impressive, sounds like a tuned vehicle not hollow and crackly crisp when I get on quiet when I let off
Sounds great!
Just got home from installing my exhaust. love the sound. Aesthetically, it's awesome and really adds to the look and theme of my truck. The butt dyno says the truck is more responsive!