STILLEN Off-Road Series Cat-Back Exhaust - 2007-2013 Toyota Tundra
Warranty Information
Vendor warranty summary
Stillen Warranty
At a glance: Limited lifetime (max 7 years) on exhaust, intakes, sway bars and urethane; 5 years on TruControl; 1 year on brakes
This is Stillen's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: October 4, 2026.
Coverage by product
| Product or component | Coverage |
|---|---|
| Exhaust (stainless) | Limited lifetime while original buyer owns the vehicle (max 7 years) |
| Intakes | Limited lifetime while original buyer owns the vehicle (max 7 years) |
| Sway bars | Limited lifetime while original buyer owns the vehicle (max 7 years) |
| Urethane products | Limited lifetime while original buyer owns the vehicle (max 7 years) |
| TruControl power modules | 5 years |
| Brake pads and rotors (kit components) | 1 year |
- Original purchaser only — coverage does not transfer if you sell it.
- Keep your NVMOS order confirmation — proof of purchase is required.
What's covered
- Manufacturing defects and workmanship when properly installed on the listed vehicle
- Rust-through on stainless exhaust systems
- STILLEN chooses to repair or replace
What's not covered
- Improper installation, modification or misuse
- Racing or commercial use
- Accident or collision damage
- Cosmetic blemishes and finish wear
- Labor, installation, shipping, rental vehicles and consequential damages
- TruControl units that were tampered with or repaired by others
How to make a Stillen warranty claim
- Email STILLEN with photos of the problem
- Include your original invoice/receipt or order info and your contact details
- Keep the original box (and factory parts) for any return
Stillen contact: Phone: (866) 250-5542 · Email: sales@stillen.com · Claim page / support
Bought it from NVMOS? Start with us.
Have your order number and a few photos of the issue ready, then call real humans at (920) 249-7744 or send us a message. We'll tell you whether the claim goes through us or straight to Stillen, and help it along either way.
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See all Stillen products, lead times and FAQs →
Disclaimer: The information on this page describes Stillen's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Source: Stillen official warranty information. Last updated on nvmos.com: October 4, 2026. See our return policy for NVMOS's own terms.
About the brand
STILLEN is a Costa Mesa, California performance company founded by IMSA GT champion Steve Millen. NVMOS carries the TruPower by STILLEN cold air intake (TP403202) for the 2014–2021 Toyota Tundra 5.7L, with a cleanable oiled filter. It's for Tundra owners who want a bolt-in intake upgrade.
Based in: Costa Mesa, California · Made in: USA · Founded: 1986
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Warranty terms are set by Stillen, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.
The STILLEN Off-Road Series is a cat-back exhaust for the 2007-2013 Toyota Tundra, designed and made in the USA from stainless steel. STILLEN says it improves airflow for better throttle response and acceleration, and that it gives the truck the deep, throaty tone it has been tuning exhausts for over 30 years. It aims to stay quiet in the cabin during everyday driving and get loud at cold start and wide-open throttle.
STILLEN's history with Toyota trucks goes back to its first product in the 1980s, a roll pan for a Toyota truck inspired by Steve Millen's racing career with Toyota and TRD. Nearly 40 years on, this exhaust is part of the same line of work.
STILLEN claims a gain in horsepower, torque and overall engine performance from the optimized airflow, though it does not publish figures for this application, so treat the claim as directional.
Fitment
Part 509573 fits all cab and bed options on the 2007-2013 Toyota Tundra.
Install notes
STILLEN designed it for a seamless fit and says it installs with basic hand tools.
Questions before you order?
Fitment questions are easier to settle before the box ships. Call or text Carl & Anton at (920) 249-7744 or use the chat — real humans in Sheboygan, Wisconsin, not a call center.
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Specifications
STILLEN Off-Road Series Cat-Back Exhaust FAQs
Which Tundras does it fit?
The 2007-2013 Toyota Tundra in all cab and bed options.
Will it drone at highway speed?
STILLEN says it stays quiet in the cabin during everyday driving and gets loud at cold start and wide-open throttle.
What tools do I need?
STILLEN says basic hand tools are enough.
Is it a full exhaust?
It is a cat-back system, so it replaces the exhaust from the catalytic converter back.
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