Quick answer
For MagnaFlow tees, order your usual size unless you prefer a looser fit; the Pocket T-Shirt runs true to size, while the Tufflerman and Developed for the Driven styles are made from premium cotton that holds shape wash after wash.
Why fabric matters for fit
MagnaFlow uses premium fabrics like 100% combed ring-spun cotton and CVC blends (60% combed ring-spun cotton, 40% polyester). These materials feel softer than standard cotton and resist shrinking when washed in cold water, but they also drape differently. A ring-spun tee tends to fit closer to the body than a heavier, boxier shirt, so if you are between sizes, consider sizing up for a relaxed look.
The trade-off: premium cotton is more breathable and comfortable, but it can be thinner than heavyweight blends. If you prefer a thicker, more structured shirt, look for styles with side seams and neck ribbing, which add durability and help the shirt keep its shape.
How to measure yourself at home
Before ordering, take two simple measurements. Wrap a tape measure around your chest at the fullest part, keeping it level under your arms. Then measure from the center of the back of your neck, over the shoulder, and down to where you want the hem to fall. Compare these numbers to the size chart on the product page, not to your usual letter size.
If you are between sizes, think about how you plan to wear the shirt. For a fitted look, size down; for layering or a looser fit, size up. Remember that cotton will relax slightly after the first wash, so a snug fit at first will often become perfect.
Decision rules for choosing your MagnaFlow size
-
Between sizes?: If you are between sizes, order the larger size if you prefer a relaxed fit or plan to layer. Order the smaller size if you want a more fitted look. When in doubt, size up for comfort.
-
Prefer a true-to-size fit?: The Pocket T-Shirt is explicitly described as running true to size, so order your usual size for a classic fit.
-
Want a softer, premium feel?: Choose the Tufflerman T-Shirt for 100% combed ring-spun cotton, or the Developed for the Driven tee for a CVC blend that balances softness and durability. Both fabrics resist shrinking when washed in cold water.
-
Adding a decal to your gear?: The MagnaFlow Muffler Man Decal (1.75" x 4.5") is safe for indoor or outdoor surfaces, so you can personalize a toolbox, truck window, or laptop without worrying about damage. Clean the surface before applying for a stronger hold.
Magnaflow Muffler Man Decal
MagnaFlow apparel highlights
-
MagnaFlow Tufflerman T-Shirt White: The Tufflerman T-Shirt is made from premium 100% combed ring-spun cotton and features a retro-style graphic of the iconic Mufflerman mascot in a boxing-themed light. The soft, breathable cotton makes it an ideal everyday tee that holds up to frequent wear, while the bold graphic adds personality to any casual outfit.
MagnaFlow Tufflerman T-Shirt White
-
MagnaFlow "Pocket" T-Shirt – Black: The Pocket T-Shirt runs true to size and features neck ribbing and side-seamed construction for durability. Order your usual size for a reliable fit, and the side seams help the shirt keep its shape wash after wash, making it a low-maintenance wardrobe staple.
Who should choose which style
Best for
- Fans who want a soft, premium everyday tee with a bold graphic: Tufflerman T-Shirt
- Enthusiasts who want a reliable true-to-size fit for daily wear: Pocket T-Shirt
- Those who prefer a slightly more athletic or durable fabric blend: Developed for the Driven T-Shirt
Not for
- Anyone who prefers oversized, baggy fits without sizing up
- Those who want a heavyweight, thick cotton shirt (these are lighter premium fabrics)
