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An Expert’s Review of the Impact 343: What to Know

 With so many options on the market, picking the right RV for your specific needs might feel a tad overwhelming. There seem to be as many RV models available as there are road warriors and outdoors lovers, and their numbers only continue to grow. An excellent choice for those who like traveling in style is the Keystone Impact 343. Much like other Keystone models, this luxurious fifth-wheel toy hauler surpasses the expectations of even the most discerning of RVers. Read on if you want to learn more about what makes this model so special and to find out if it’s the right pick for your RVing needs. ‌

What to Know About the Keystone Impact 343

‌The popular Keystone RV models are where quality and comfort meet in the camping world. Just looking at the 2021 Impact 343 could make anyone fall in love with its spacious interiors and elegant design. Here are the main characteristics that make RV enthusiasts want to brag about this beautiful toy hauler and take it on as many road trips as possible.


We don’t believe in judging a book by its cover, but the many wonders of the Impact 343 begin with its durable and stylish exterior. It has a 100-inch wide body equipped with 10-inch and 12-inch beams and frame welded tie-downs. Its Rota-Flex pin box helps keep this beauty steady and reduces its vibrations for a smoother ride, even on the bumpiest of roads.

‌The Impact 343 features aerodynamic fiberglass front caps with lights and an improved turning radius. It also has laminated sidewalls that merge aluminum and fiberglass for added endurance to the elements and the many stressors of the road. Its large, black-framed panoramic tinted safety glass and frameless dual-pane windows will let tons of light in, allowing all passengers to enjoy wonderful views anywhere they go.

‌When it comes to exterior amenities, the manufacturers didn’t hold back — they thought about everything! The Impact 343 features an exterior shower with hot and cold water to get rid of sand on those warm days at the beach or to rinse off the mud after a rainy hike in the mountains. This gorgeous RV also has a sliding rear patio door and an electric awning with adjustable arms, auto dump, and an LED light strip to make evenings outside all the more enjoyable. 

‌Keystone went above and beyond with other exterior novelties as well. This toy hauler features 30-inch-wide entry doors to make it easier to bring any type of luggage or equipment on board. Its LCI SolidStep extra-wide first step lets any passenger climb aboard with confidence, even when they cannot see where they’re stepping when carrying something large. 

‌Other exterior highlights of this fifth wheel are:

  • A fully walkable roof
  • A collapsible roof ladder
  • An exterior convenience center

Keystone Impact Floorplan

‌Once inside the Keystone Impact 343, things only get better. The sophisticated furnishings and finishes are simply breathtaking. This toy hauler is carpet-free and features fiberglass-backed linoleum floors to help make cleaning easier and quicker. It has designer upholstered window valances and nightshades to give its occupants a little extra privacy in the evenings and to block out the sunlight in the early mornings. That way, it’s easier to sleep in on a lazy day.

‌The hardwood cabinetry and residential-style furniture give every corner of this home-away-from-home a cozy vibe. This high-end hauler features heated seats with LED lights, massage settings, and USB ports for maximum convenience and comfort. All that’s left to do to enjoy these perks even more is to turn on its 5,000 BTU electric fireplace, sit back, and relax. 

‌The Impact 343’s spacious kitchen has all the necessary elements and then some. It features full-extension ball-bearing drawer guides and pressed countertops. It also has a stainless steel sink with a deep single basin and a high-rise faucet with a pull-out sprayer that will make dish-washing a little less tiresome for those who don’t enjoy the chore. 

‌The Impact 343 has one bathroom with pressed countertops and a porcelain foot flush toilet. It might seem small, but it features an oversized shower with a skylight that anyone in the family can enjoy. The bedroom has a 60×80-inch residential queen-size bed equipped with reading lights for late-night page-turning. It also has bedside outlets with USB ports and a TV hook-up. 

‌Other stellar appliances and utilities in the Impact 343 are:

  • A high-efficiency A‌/C system
  • A 35K BTU furnace
  • A 12-gallon hybrid water heater
  • An LED TV and a Bluetooth CD/DVD player with MP3 connection
  • Two speakers
  • A microwave oven
  • Washer and dryer prep

‌The manufacturers also put safety first by adding a breakaway switch and safety chains. And this toy hauler has GFI receptacles as well as carbon monoxide, smoke, and propane gas detectors. All units come with a fire extinguisher too.


‌When going on a long trip or carrying tons of luggage, one of the main concerns for travelers is if their RV will have enough storage space. Nobody wants to spend days on end on the road inside of a cluttered tin can. Fortunately, Keystone thought about this issue and provided plenty of room for RV enthusiasts to stow away all of their essential items — and many of the not-so-essential ones as well.

‌The Impact 343 features:

  • A spacious pantry
  • Lighted pass-through storage
  • A wardrobe
  • Under-bed storage
  • Cabinets
  • A linen closet

Driving / Towing

‌Towing a fifth-wheel toy hauler like the Impact 343 can seem a little daunting for those who have never before hit the road with a trailer attached to their vehicle. However, this model makes moving it around extremely simple. It has a back-up camera to provide added visibility when going in reverse, which can be one of the most intimidating parts for newbies. 

‌The Keystone Impact 343 also features a cable-driven slide system with manual backup and 7,000 lb. flipped 12×2-inch brakes on every wheel for extra safety on the road. It has a leaf spring suspension system to make the ride extra smooth and has trustworthy 16-inch aluminum wheels with G-rated tires. This fifth wheel has electric front and rear stabilizers too. 

Keystone Impact Livability

‌With so many excellent features, spending time on this fifth-wheel toy hauler is pretty much a dream for RV lovers. It has plenty of amenities to keep all passengers entertained and happy while on a long trip and it is large enough for everyone to have their own space and not be in each other’s faces all the time.

‌The Impact 343 is a game-changer for large families and adventurers who enjoy exploring highways and backroads with plenty of good company along for the ride.  This versatile toy hauler sleeps up to eight people and features comfortable accommodations, including:

  • One bunk bed
  • One king-size bed
  • Two convertible sofa beds

Whenever more space is needed, the garage can easily be turned into an extra sleeping area, and all passengers can hang out after a long day of adventure in the kitchen or the center living area. The Impact 343 offers all the comforts of home while out and about and allows all occupants to enjoy an RVing experience like no other. It’s the perfect model for those who like to travel with a group but it can also suit the occasional solo trip. 

‌The Impact 343 offers a pleasant environment when inside, thanks to its superb cooling system. Its unique technology has over 20% more cooling power than others on a 360 airflow cycle. This makes it the perfect hideaway when the weather is too warm outside. The air remains nice and fresh even when you are not able to naturally ventilate the unit. 

‌Like all Keystone models, the Impact 343 has a three-year limited structural warranty. Buyers can rest assured that the manufacturer has their back if they have any questions or concerns about their Impact 343. The warranty covers any manufacturing defects from the day of purchase by the original owner. It includes:

  • The main steel frame, outriggers, and cross members
  • The wall studs, floor joists, and roof rafters
  • The exterior sidewalls
  • The roof 
  • All slide-out boxes and structural components
  • Paint fade and cracking on fiberglass front caps
  • Front cap windshield installation

On the Road With a Brand New Impact 343

‌Traveling in comfort and style is easy when doing so on a Keystone Impact 343. This fifth-wheel toy hauler is perfect for long trips with friends and family or even when traveling solo. Its superior features and numerous amenities make it a no-brainer for any RV enthusiast. The Impact 343 has incredible exteriors that can withstand the passage of time, while the interiors can make anybody feel at home when on the road. If you’re interested in this or any other RV model, visit our site or reach out to our experts. 

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Score Breakdown
  • Standard back up camera
  • Leaf spring suspension system
  • King size bed
  • Superb cooling system

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