GrimmSpeed Hood Scoop Splitter JDM STI Subaru 2002-2003 WRX

The GrimmSpeed line of splitters increases the size of the opening by 70% to your larger TMIC. STI or aftermarket TMICs can increase your internal core volume by as much as 200% In addition, they have added provisions for up to three intercooler water sprayers to each splitter. You'll also find that the GrimmSpeed splitters are very lightweight. They've tested some of the other guys’ splitters and have found that they've chosen stainless steel instead of aluminum. The reason for this is likely as a band-aid, to ensure stiffness so that the splitter holds its shape. Instead of selecting a stiffer material, they've stiffened the design, which has allowed for use of 20 gauge 5052 aluminum to drop the weight of these splitters by 300% over the competition. Instead of welding the assemblies, flathead rivets were used. These offer the same mechanical joint but without stressing the material and because of that, you don’t have to worry about breaking welds or your splitter cracking.

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