T-304 stainless steel rear section muffler with twin round tips

Rear Section Mufflers by GRWA Exhaust. Mandrel bent from the highest-grade T-304 stainless steel.
Designed, tested, and manufactured to the finest hand-made integrity found in any exhaust system. 

Limited Lifetime Warranty

Incorporates 3-generations of fabrication skill and racing talent

High strength and complete resistance to harsh elements

25 years of experience in the racing and exhaust industry 


T-304 stainless steel rear section muffler with twin round tips

Since 2002 GRWA Exhaust has designed, tested, and manufactured the highest quality stainless steel
exhaust systems available. Originally specializing in Porsche 911 performance exhaust systems, oil coolers,
and intercoolers, GRWA introduced the  after its unique 3-into-1 Porsche header. Today in its state-of-the-art
facility,GRWA continues to develop the highest performing exhaust systems for most sports cars, trucks, and
SUVs.. Performance is what GRWA do and it is who they are. With over 25 years of experience in the racing
and exhaust industry, GRWA has learned a few things about performance, Performance is delivering
beyond expectations.