The Pro Series muffler is a two-baffle, flow-wing design that creates maximum flow while maintaining the back pressure vital to an engine's performance. The flow-wing works much like an airplane wing, creating a high-pressure/ low-pressure system inside the muffler. It is designed to pull the air around the flow-wing while reducing resonance. The body of the muffler is made of 16 gauge aluminized steel, while the end caps are made of 14 gauge aluminized steel to ensure lasting quality. The Pro series is also offered in 409 stainless steel.

NOTE: All mufflers are available in aluminized or stainless steel material.  Add "SS" to the end of the product number to specify stainless steel.

 
4" x 9 3/4" OVAL (13" BODY, 19 " OVERALL)
Center - Center

#7400

#7401

#7402

#7403
 
Offset - Center

#7404

#7405

#7406

#7407
 
Center - Offset

#7408

#7409

#7410

#7411
 
Offset - Offset

#7412

#7413

#7414

#7415
 
Center - Dual

#7416

#7417

#7418

#7419

#7420

#7421

#7423

#7470
 
Offset - Dual

#7422

#7424
 
4" x 9 3/4" OVAL (16 1/2" BODY, 22 1/2" OVERALL)
Center - Center

#7450

#7451
Offset - Center

$7452

#7453

#7454

#7469

#7455
 
Center - Offset

#7456

#7457 (Dodge Trucks)

#7458
Offset - Offset

#7459

#7460

#7461
 
Center - Dual

#7462

#7463 (GM Trucks)

#7465 (GM Trucks)

#7464 (GM, Dodge Trucks)
 
Offset - Dual

#7466

#7471

#7472
 
Camaro - Firebird

#7467

#7468

 

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