I outlined the area I wanted to cut out with a ruler and a Sharpie, and then I used a Dremel to freehand cut out the hole.

**I highly recommend a reinforced cutting wheel for this mod, as I shattered two non-reinforced cutting wheels. Let's just say I was lucky to be wearing eye protection.**

I then used a combination of some 100 grit sandpaper and a 120 grit flapper wheel for the Dremel to smooth out the edges in and out.

To finish the job, I used JB epoxy and some fiberglass screening left over from a window screen repair. As you can see, it turned out really well. I hope that it gives me an extra edge when all is said and done.

In conclusion, I think that this mod is easy enough that everyone should do it (or something like it). According to testing done by others, this mod seems to increase the airflow quite considerably, even with a stock filter.

Good night all!

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ASP Stage 3-

Current Power Output: 310awhp/320awtq (77*F, Mustang Dyno, 93 Octane)

Current Best Drag Time: 13.050 @ 106 w/ 1.79 60' (91*F, 93 Octane, full weight, Atco Raceway - Atco, NJ)

Current Best FATS Time: 4.72 second (89*F, Full tank of 93 octane, full weight)

ASP 3- M-Box Tune :: Bosch Motorsport 5-bar FPR :: Borg Warner/KKK RSK04 Turbos :: OEM RS4 Inlets w/ ASP Silicone Couplers :: ASP Stainless Tubular Exhaust Manifolds (Ceramic Coated) :: ASP Stainless 3" Downpipes w/200-Cell High-Flow Cats :: ASP Tru-Dual Cat-back Exhaust *Baller Tips* :: ASP Phenolic Intake Spacers :: ASP Street Series Motor Mounts :: ASP Street Series Transmission Mounts :: ASP Street Series Rear Differential Mount :: ASP Drivetrain Stabilizer w/ Energy Suspension Bushing :: ASP Stage 4 Clutch Kit/Stock Resurfaced Flywheel :: ASP Black Anodized Lightweight Crank Pulley :: ASP Black Alcantara Shifter Boot :: Avalon Motorsports Monstrous Oil Cooler Kit :: Evolution Racewerks (Monstrous) Dual SMIC Kit :: Samco Complete Black Silicone Hose Kit :: AWE Vent-Mounted Boost Gauge (New Version) :: AWE Aluminum Sport Pedals :: Greddy FATT Turbo Timer :: APR Bi-Pipe :: Bosch 710N DVs :: H&R Street Coilovers (25") :: Carbotech Bobcat Brake Pads (F&R) :: Goodridge Stainless Brake Lines :: JHM Solid Short Shifter (35%, Stock Height) :: JHM Stiffer Reverse Spring :: JHM Delrin Stabilizer Shaft Bushing :: RS4 Hood Grille :: RS4 Black Alcantara Shifter Knob :: AudiSport Rubber Floor Mats :: Höen Endurance H7 Yellow Fogs :: MotulGEAR 300 Trans & Rear Diff Oil :: Motul RBF600 Brake Fluid :: Ceramic Coated Intake Manifold :: Sportec Airbox Hole Mod :: Hardwired V1

USEFUL INFO
Sportec S4 Airbox Mod : ASP Lightweight Crank Pulley Discussion : Motor Pull and Upgrade Pics Part 1 : Motor Going Back in the Car
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ACNA#: 33892


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