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Mufflers - High Performance Flow Low Back Pressure (4,917)

Part#:

Super 40 Muffler - 2.25-in.Offset IN / 2.25-in. Offset OUT - Aggressive/Moderate

Brand: Flowmaster

Part#: 952448

Get hot rod sound and more horsepower with a Flowmaster muffler. These Super 40 Flowmaster mufflers significantly outflow the older two-chamber mufflers. They help create even more horsepower with less interior noise and a deeper exterior sound. These mufflers feature a design patterned after Flowmaster's race mufflers, with a classic black . . . More

Part#:

MAGNAFLOW PERFORMANCE MUFFLERS MUFFLER - PERFORMANCE - STAINLESS STEEL - POLISHED - CHEVY - PONTIAC - CAMARO - FIREBIRD - 5.0 - 5.7L

Brand: Magnaflow Performance Exhaust

Part#: 14267

MagnaFlow Wide Open Performance original designs in long- lasting satin stainless steel in a variety of universal applications for cars, trucks and SUVs.

Get more horsepower with a nice sound. These MagnaFlow performance mufflers are designed to give you more power and provide excellent sound. They feature a large-diameter, . . . More

Part#:

40 Series Muffler - 2.5-in. Offset IN / 2.5-in. Center OUT - Aggressive Sound

Brand: Flowmaster

Part#: 42541

Developed from Flowmasters line of Delta Force race mufflers Flowmaster mufflers with Delta Flow technology provide superior scavenging of exhaust gases than a comparable (standard) Flowmaster muffler. The results: increased horsepower torque and fuel economy along with reductions in exterior sound levels and interior resonances.The key to . . . More

Part#:

40 Series Muffler - 3.0-in. Center IN / 2.5-in. Dual OUT - Aggressive Sound

Brand: Flowmaster

Part#: 430402

Developed from Flowmasters line of Delta Force race mufflers Flowmaster mufflers with Delta Flow technology provide superior scavenging of exhaust gases than a comparable (standard) Flowmaster muffler. The results: increased horsepower torque and fuel economy along with reductions in exterior sound levels and interior resonances.The key to . . . More

Part#:

50 H.D. Muffler. - 3.0-in. Center IN / 2.5-in. Dual OUT - Moderate Sound

Brand: Flowmaster

Part#: 9530572

Performance truck mufflers from Flowmaster! Flowmaster 50 series heavy-duty mufflers can deliver more horsepower and increase torque and fuel mileage. Designed specifically for gas and diesel applications, the 50 series heavy-duty mufflers can significantly improve acceleration and towing power, while simultaneously increasing fuel economy. More

Part#:

Super 44 Muffler - 2.5-in. Offset IN / 2.5-in. Offset OUT - Aggressive Sound

Brand: Flowmaster

Part#: 942548

The most aggressive, deepest-sounding street and strip muffler Flowmaster has ever made! Flowmaster Super 44 mufflers offer distinct advantages over original 40 Series mufflers, while using the same technology as the Super 40 mufflers. The Super 44 mufflers deliver a deep, rich tone with an improved flow path radius, optimum internal flow, . . . More

Part#:

40 Delta Flow Muffler - 2.5-in.Offset IN/ 2.5-in.Center OUT -Aggressive/Moderate

Brand: Flowmaster

Part#: 942541

Loud and aggressive-sounding outside, quieter on the inside. By precisely placing three internal baffles in the case, and welding them to exacting specifications, Flowmaster's new 40 series Delta Flow mufflers go a step beyond their original 40 series mufflers. These mufflers not only out-scavenge the originals, but also provide superior . . . More

Part#:

40 Delta Flow Muffler - 3-in. Center IN / 3-in. Center OUT - Aggressive Sound

Brand: Flowmaster

Part#: 943040

Loud and aggressive-sounding outside, quieter on the inside. By precisely placing three internal baffles in the case, and welding them to exacting specifications, Flowmaster's new 40 series Delta Flow mufflers go a step beyond their original 40 series mufflers. These mufflers not only out-scavenge the originals, but also provide superior . . . More

Part#:

40 Series Muffler - 2.25-in. Offset IN / 2.25-in. Offset OUT - Aggressive Sound

Brand: Flowmaster

Part#: 42443

Developed from Flowmasters line of Delta Force race mufflers Flowmaster mufflers with Delta Flow technology provide superior scavenging of exhaust gases than a comparable (standard) Flowmaster muffler. The results: increased horsepower torque and fuel economy along with reductions in exterior sound levels and interior resonances.The key to . . . More

Part#:

SLP Mufflers Ford Mustang GT/Early Cobra "Power-Flo" (pair)

Brand: SLP Performance

Part#: 31065

Get maximum flexibility from your modular SLP cat-back system with our new PowerFlo™ low-restriction mufflers. Designed to provide an optimal balance of flow and noise attenuation they employ a "straight-through" configuration that significantly outperforms traditional chambered and turbo-type designs. All PowerFlo™ mufflers are . . . More

Part#:

40 Series Muffler - 2.5-in. Offset IN / 2.5-in. Offset OUT - Aggressive Sound

Brand: Flowmaster

Part#: 42543

Developed from Flowmasters line of Delta Force race mufflers Flowmaster mufflers with Delta Flow technology provide superior scavenging of exhaust gases than a comparable (standard) Flowmaster muffler. The results: increased horsepower torque and fuel economy along with reductions in exterior sound levels and interior resonances.The key to . . . More

Part#:

Stainless Steel Rear Muffler - 5.7L 2.5'' Y Pipe Required #253+0883 - Dual Round Intercooled Tip - Split Rear Exit

Brand: Borla

Part#: 11330

Want more power and great sound? Borlas rear section exhaust systems include stainless steel pipes and clamps Borlas Turbo mufflers and intercooled exhaust tips.

QUALITY STAINLESS STEEL STREET PERFORMANCE EXHAUSTAircraft-Quality T-304 Stainless Steel Cat-back and Rear Section Kits for more than 300 vehicles.  The most . . . More

Part#:

Super 40 Muffler - 2.5-in. Offset IN / 2.5-in. Offset OUT - Aggressive/Moderate

Brand: Flowmaster

Part#: 952548

Get hot rod sound and more horsepower with a Flowmaster muffler. These Super 40 Flowmaster mufflers significantly outflow the older two-chamber mufflers. They help create even more horsepower with less interior noise and a deeper exterior sound. These mufflers feature a design patterned after Flowmaster's race mufflers, with a classic black . . . More

Part#:

40 Delta Flow Muffler - 2-in. Offset IN / 2-in. Center OUT - Aggressive/Moderate

Brand: Flowmaster

Part#: 942041

Loud and aggressive-sounding outside, quieter on the inside. By precisely placing three internal baffles in the case, and welding them to exacting specifications, Flowmaster's new 40 series Delta Flow mufflers go a step beyond their original 40 series mufflers. These mufflers not only out-scavenge the originals, but also provide superior . . . More

Part#:

Crossflow Muffler - 2.5-in. Dual IN / dual OUT Moderate/Aggressive Sound

Brand: Flowmaster

Part#: 42585

The 80 Series? is designed for applications where the muffler must be mounted transversely (cross-flow) behind the rear end. It provides an aggressive muscle car sound both inside and outside the vehicle. A replacement for early and late model Camaros & Firebirds. Constructed of 16 gauge aluminized steel and fully mig-welded for maximum durability. More

Part#:

40 Delta Flow Muffler - 2.25-in. Side IN/2.25-in.Center OUT-Aggressive/Moderate

Brand: Flowmaster

Part#: 942441

Loud and aggressive-sounding outside, quieter on the inside. By precisely placing three internal baffles in the case, and welding them to exacting specifications, Flowmaster's new 40 series Delta Flow mufflers go a step beyond their original 40 series mufflers. These mufflers not only out-scavenge the originals, but also provide superior . . . More

Part#:

50 H.D. Muffler - 3.0-in. Offset IN / 3.0-in. Center OUT - Moderate Sound

Brand: Flowmaster

Part#: 9530560

Performance truck mufflers from Flowmaster! Flowmaster 50 series heavy-duty mufflers can deliver more horsepower and increase torque and fuel mileage. Designed specifically for gas and diesel applications, the 50 series heavy-duty mufflers can significantly improve acceleration and towing power, while simultaneously increasing fuel economy. More

Part#:

80 Series Direct Fit Muffler - Left side (dual round tips) - Moderate Sound

Brand: Flowmaster

Part#: 525802-L

Improved flow with a more aggressive tone. Flowmaster's C5 Corvette mufflers provide improved flow and a more aggressive tone over stock. Features include four trimmed stainless steel exhaust tips (your choice of round or oval tips!) and an easy installation that can be accomplished in about 30 minutes. More

Part#:

Super 44 Muffler - 2.5-in. Center IN / 2.5-in. Offset OUT - Aggressive Sound

Brand: Flowmaster

Part#: 942547

The most aggressive, deepest-sounding street and strip muffler Flowmaster has ever made! Flowmaster Super 44 mufflers offer distinct advantages over original 40 Series mufflers, while using the same technology as the Super 40 mufflers. The Super 44 mufflers deliver a deep, rich tone with an improved flow path radius, optimum internal flow, . . . More

Part#:

Super 44 Muffler - 3-in. Center IN / 2.5-in. Dual OUT - Aggressive Sound

Brand: Flowmaster

Part#: 9430452

The most aggressive, deepest-sounding street and strip muffler Flowmaster has ever made! Flowmaster Super 44 mufflers offer distinct advantages over original 40 Series mufflers, while using the same technology as the Super 40 mufflers. The Super 44 mufflers deliver a deep, rich tone with an improved flow path radius, optimum internal flow, . . . More