Product#: GP139SC

1963-87 GM Truck; Gibson LS Swap Performance Headers; Ceramic Coated Stainless Steel; LH and RH; Includes Hardware and Gaskets

The Gibson long tube headers use the thickest tubing available and are the only long tube swap headers offered in high quality stainless steel. This equipped with 3/8" thick flanges, American Made Manufacturing, oversized...

Product#: 13250C

2.50 Inch QTP Screamer Twintronic Muffler 13.5" Case

With the success of our Electric Cut Out we took it to the next level, The Screamer. A dual mode muffler with a single inlet with a dual outlet. One outlet is a straight pipe with our electric valve at the end on a 360 degree...

Product#: 13302C

3.00 Inch QTP Screamer Twintronic Muffler 10" Short Case

With the success of our Electric Cut Out we took it to the next level, The Screamer. A dual mode muffler with a single inlet with a dual outlet. One outlet is a straight pipe with a valve at the end on a 360 degree floating...

Product#: 13252C

2.50 Inch QTP Screamer Twintronic Muffler 10" Short Case

With the success of our Electric Cut Out we took it to the next level, The Screamer. A dual mode muffler with a single inlet with a dual outlet. One outlet is a straight pipe with a valve at the end on a 360 degree floating...

Product#: 13253C

2.50 Inch QTP Reverse Internals Screamer Twintronic Muffler 10" Short Case

With the success of our Electric Cut Out we took it to the next level, The Screamer. A dual mode muffler with a single inlet with a dual outlet. One outlet is a straight pipe with a valve at the end on a 360 degree floating...

Product#: 14266

Magnaflow 5"x 8" x 18" Polished Stainless Steel Muffler with 2.5" Offset Inlet / 2.25" Dual Outlets

Magnaflow's wide-open performance muffler outflows OEM chamber style mufflers by as much as 167%, reducing engine heat and back pressure that improves exhaust scavenging from the combustion chamber. The greater efficiency...

Product#: F52571

Flowmaster; 70 Series Muffler; 22" Length; With 2-1/2" Offset Inlet; 2-1/2" Center Outlet

The 70 Series muffler utilizes Flowmaster's patented Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, tow vehicles and high...

Product#: 12469

Magnaflow 5X8 Oval 18" Stainless Muffler Dual In / Dual Out

Product#: 114262

1930-2007 GM/GMC Magnaflow 5X8 Oval 18" Polished Stainless Muffler Offset In / Offset Out

MagnaFlow performance mufflers are designed to provide your vehicle with more power and excellent sound. These exhaust units are available in several styles, and most feature a large-diameter, perforated stainless steel core...

Product#: F12018409

Flowmaster; 18" Super HP-2 Muffler; With 409S Stainless Steel Case; 2" Inlet; 2" Outlet

Flowmaster® has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would...

Product#: F842451

Flowmaster; Delta Flow 50 Series Muffler; With 2-1/4" Offset Inlet; 2-1/4" Center Outlet

This is the latest three chamber design of the 50 series muffler that utilizes Flowmasters patented "Delta Flow" technology along with an internal tuning chamber to eliminate most all interior resonance and still have that...

Product#: F53056

Flowmaster; Super 50 Series Muffler; With 3" Offset Inlet; 3" Center Outlet

The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. The larger case...

Product#: F52558

Flowmaster; Super 50 Series Muffler; With 2-1/2" Offset Inlet; 2-1/2" Opposite Offset Outlet

The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. The larger case...

Product#: F52557

Flowmaster; Super 50 Series Muffler; With 2-1/2" Center Inlet; 2-1/2" Offset Outlet

The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. The larger case...

Product#: F53057

Flowmaster; Super 50 Series Muffler; With 3" Center Inlet; 3" Offset Outlet

The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. The larger case...

Product#: 12468

Magnaflow 5X8 Oval 18" Stainless Muffler Dual In / Dual Out

Product#: 12289

1930-2007 GM/GMC Magnaflow 5X8 Oval 24" Stainless Muffler Center In / Center Out

MagnaFlow performance mufflers are designed to provide your vehicle with more power and excellent sound. These exhaust units are available in several styles, and most feature a large-diameter, perforated stainless steel core...

Product#: 12265

Magnaflow 5" x 8" x 18" Stainless Steel Muffler with 2-1/2" Offset Inlet / 2-1/2" Dual Outlets

Magnaflow's wide-open performance muffler outflows OEM chamber style mufflers by as much as 167%, reducing engine heat and back pressure that improves exhaust scavenging from the combustion chamber. The greater efficiency...

Product#: 12267

Magnaflow 5" x 8" x 18" Stainless Steel Muffler with 3" Offset Inlet / 2-1/2" Dual Outlets

Magnaflow's wide-open performance muffler outflows OEM chamber style mufflers by as much as 167%, reducing engine heat and back pressure that improves exhaust scavenging from the combustion chamber. The greater efficiency...

Product#: F843051

Flowmaster; Delta Flow 50 Series Muffler; With 3" Offset Inlet; 3" Center Outlet

This is the latest three chamber design of the 50 series muffler that utilizes Flowmasters patented "Delta Flow" technology along with an internal tuning chamber to eliminate most all interior resonance and still have that...