Stainless Works Four Way Merge Collector 2-3/8" x 4-1/2" Engine Components this system cannot be returned

this system cannot be returned due to sound

and will most definitely make driving in the dark more comfortable

The plate steel construction provides strength without adding bulk

And for S5 owners seeking an even more aggressive sound

Stainless Works Four Way Merge Collector 2-3/8" x 4-1/2" Engine Components this system cannot be returnedMade from 304 stainless steel for maximum corrosion resistance. This merge collector with a with TIG welded reverse cone. These are TIG welded for strength and durability. Come with 2 3 8" ID primary size slip fit inlet and a 4 1 2" OD single outlet. These collectors come with a limited lifetime warranty and proudly made in the USA.