most popular muffler in motorsports history is a
proven winner and keeps getting better. Its patented
flow directors, large diameter tubes, aluminized
construction and fiberglass matting will increase
power, lengthen the life of your system, and will
also give you a deep throaty tone.
Research & Development offers an extensive line
of high-quality stainless steel and aluminized
mufflers and stainless steel tips. With their high
flow characteristics and great sound, they truly are
designed "with the racer in mind."
from Carsound. The muffler with the straight-through
design that delivers high performance with
unrestricted high-flow. Polished Stainless Steel or
Aluminized, all welded to give you durability and a