MagnaFlow Logo Decal and Tees: Show Off Your Build
By MagnaFlow Exhaust, Mufflers & Cat Converters - Quality | Published: 2026-11-03
Category: Product Reviews
Learn where to place the MagnaFlow logo decal, how to choose a tee that fits your build-day look, and simple care tips that keep both looking sharp.
Quick answer
Treat the decal and the tee as two separate projects: place the MagnaFlow logo decal on a clean, flat exterior surface where it will not interfere with badges or trim, and choose a MagnaFlow tee by measuring a shirt you already like rather than guessing a size.
Why decal placement needs more thought than it gets
The MagnaFlow Yellow And Black Logo Decal is described as safe for use on vehicles and suitable for indoor and outdoor surfaces, so the main risk is not the material but the location. A decal on a curved, dirty, or freshly waxed panel can lift at the edges, and one placed over a body line or sensor can look off-center from every angle.
Decide whether the decal is part of the build's finished look or a temporary show-season accent. That choice tells you whether to put it on glass, which is easy to reverse, or on paint, which demands more careful prep.
Tee fit is a measurement question, not a size-label question
The MagnaFlow "QPS" T-Shirt – Black is made from 100% combed ring-spun cotton at 4.3 oz and 32 Singles, which the catalog describes as soft and lightweight. That combination tends to drape rather than stand away from the body, so the fit you get depends more on the measurements of your own shirt than on the letter on the tag.
If you want a relaxed look for car shows, size from a shirt you already wear loosely. If you want a cleaner layering piece under a jacket, measure a shirt that fits close to the shoulder seam.
Where the decal and tee work against each other
A black tee with a large back graphic reads as merch, which is fine at a show but can look out of place at a formal event or a workday where you are handling solvents. The decal has the opposite problem: it is subtle enough to live on a daily driver, but it will not carry a build's identity the way a shirt does at a distance.
Use the decal for the vehicle and the tee for the person, and avoid matching them too literally. A yellow-and-black decal on a black car with a black QPS tee is a coherent look; the same decal on a white car with the same tee is still fine, but the connection is less obvious.
Steps to place the decal and wear the tee well
- Pick the decal location before you peel anything: Choose a flat or gently curved exterior surface that is clear of badges, trim, sensors, and panel gaps. Hold the decal in place without removing the backing and step back to check it from three angles. Common mistake: placing it by eye while standing directly over the panel, which hides how off-center it looks from the side. If the panel curves sharply, move to glass or a flatter section.
- Clean and dry the surface completely: Wash the area with mild soap and water, rinse, and let it dry fully before applying. Do not apply over wax, sealant, or dust. Checkpoint: run a clean finger across the surface; if it feels slick or leaves a mark, clean it again. Skip this step and the decal edges will lift first.
- Apply slowly and press from the center out: Peel the backing, set one edge first, and work outward with a soft cloth or squeegee to push out air. Common mistake: pressing the whole decal down at once, which traps bubbles you cannot chase to an edge. Small bubbles often settle; large ones need a re-lift while the adhesive is still fresh.
- Measure a shirt you already own for the tee: Lay a favorite tee flat and measure chest width and body length, then compare those numbers to the size options on the QPS T-Shirt. Do not size up just because it is 100% cotton. Checkpoint: if your measurement falls between sizes, choose based on whether you want a relaxed or close fit. The back graphic makes the shirt read larger, so a close fit can look busier than expected.
- Wash the tee inside out and skip the dryer heat: Turn the shirt inside out, wash cold with like colors, and hang or lay flat to dry to protect the back print and the cotton's softness. Common mistake: drying on high heat, which can shrink the shirt and crack the graphic. Check the print after each wash; small cracks mean it is time to switch to a gentler cycle.
- Inspect the decal after the first wash and first rain: After the first wash of the car or the first wet drive, check the decal edges for lifting. Press any lifted edge back down while clean and dry. Checkpoint: if an edge lifts repeatedly, remove the decal rather than adding adhesive over dirt. A decal that survives the first two weeks in place is usually settled.
Product facts that affect your choice
- MagnaFlow Yellow And Black Logo Decal: The decal is yellow and black and described as safe for use on vehicles and on indoor and outdoor surfaces. That makes it usable on glass, painted panels, or a toolbox, but it also means the surface you choose, not the decal itself, decides how long it lasts.
MagnaFlow Yellow And Black Logo Decal - MagnaFlow "QPS" T-Shirt – Black: The QPS T-Shirt is 100% combed ring-spun cotton, 4.3 oz, 32 Singles, with the motto on the back. The lightweight cotton and back graphic make it a show-day shirt rather than a heavy work shirt, so plan your layering and washing around that.
MagnaFlow "QPS" T-Shirt – Black
