Mufflers - 4.00 Inlet Diameter (in.) - Free Shipping on Orders Over $109 at Summit Racing

AP Exhaust Xlerator Performance 409 Stainless Steel 4 Inch Muffler XS2772

Muffler, 7 in. Round, Stainless Steel, Rev, 30 in. Long, 4 in. Center Inlet, 4 in. Center Outlet, Each

Part Number: APH-XS2772

5.0 out of 5 stars ( 19 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Summit Racing™ Exhaust System Replacement Steel 4 Inch Muffler SUM-630100

Muffler, Replacement, For Summit® 4" Aluminized Steel Diesel Kits, Each

Part Number: SUM-630100

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MBRP Quiet Tone Series Diesel High-Flow 409 Stainless Steel 4 Inch Muffler M1004S

Muffler, Quiet Tone Series Diesel High-Flow, Round, Stainless, 4 in. Center Inlet and Outlet, Each

Part Number: MBR-M1004S

3.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MagnaFlow Stainless Steel Race Series 409 Stainless Steel 4 Inch Muffler 14153

Muffler, Race Series, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-14153

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MBRP Quiet Tone Series Diesel High-Flow Steel 4 Inch Muffler M1004A

Muffler, Quiet Tone Series, Round, Steel, Aluminized, 4 in. Center Inlet/Outlet, 30 in. Length, Each

Part Number: MBR-M1004A

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Vibrant Performance Race 304 Stainless Steel 4 Inch Muffler 1797

Muffler, Race, Round, Stainless, Natural, 4.0 in. Center Inlet/Outlet, 9.0 in. Length, Each

Part Number: VPE-1797

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hooker Maximum Flow Steel 4 Inch Muffler 21609HKR

Muffler, Maximum Flow, 4 in. Inlet/4 in. Outlet, 14 in. Case Length, Steel, Aluminized, Each

Part Number: HOK-21609HKR

4.31 out of 5 stars ( 13 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Cherry Bomb Salute 409 Stainless Steel 4 Inch Muffler SA2772

Muffler, Salute, Round, 4.000 in. Inlet/4.000 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2772

4.87 out of 5 stars ( 15 )

Estimated Ship Date: May 5, 2025 if ordered today

...Loading

Estimated Ship Date: May 5, 2025 if ordered today

Dynomax Race Bullet Steel 4 Inch Muffler 24217

Muffler, Race Bullet, 4 in. Inlet/4 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-24217

4.8 out of 5 stars ( 15 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Vibrant Performance Race 304 Stainless Steel 4 Inch Muffler 17975

Muffler, Race, Round, Stainless, Natural, 4.0 in. Center Inlet/Outlet, 5.0 in. Length, Each

Part Number: VPE-17975

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Flowmaster Delta Force 40 Series Race 409 Stainless Steel 4 Inch Muffler 854040-10

Muffler, Delta Force 40 Series Race, Oval, Stainless, Black, 4 in. Center Inlet/Outlet, 13 in. Case Length

Part Number: FLO-854040-10

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MagnaFlow Performance 409 Stainless Steel 4 Inch Muffler 12773

Muffler, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12773

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Vibrant Performance TPV Universal 304 Stainless Steel 4 Inch Muffler 1091

Muffler, TPV, Round, Stainless, Polished, Turbo-style, 4.0 in. Center Inlet, 4 in. Outlet, 23 in. Length

Part Number: VPE-1091

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17537

Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17537

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Borla XR-1 Racing 304 Stainless Steel 4 Inch Muffler 40947

Borla XR-1 Racing 304 Stainless Steel 4 Inch Muffler 40947

Muffler, XR-1, 4 in. Inlet/4 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40947

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Flowmaster Pro Series Steel 4 Inch Muffler 14020100

Muffler, Pro Series, 4.0 in. Inlet/4.0 in. Outlet, Steel, Black, 24.0 in. Length, Each

Part Number: FLO-14020100

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MBRP Quiet Tone Series Diesel High-Flow 304 Stainless Steel 4 Inch Muffler M1004

Muffler, Quiet Tone Series Diesel High-Flow, Round, Stainless, 4 in. Center Inlet and Outlet, Each

Part Number: MBR-M1004

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Borla XR-1 Racing 304 Stainless Steel 4 Inch Muffler 40948

Muffler, XR-1, 4 in. Inlet/4 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40948

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Gibson Bullet Stainless Superflow Marine 304 Stainless Steel 4 Inch Muffler 310001

Muffler, Bullet, Superflow, Marine, Round, Stainless, Polished, 4 in. Center Inlet/Outlet, 9.25 in., Pair

Part Number: GIB-310001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 28, 2025 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2025 if ordered today

Black Widow Exhaust Widowmaker 409 Stainless Steel 4 Inch Muffler BW0013-4

Muffler, Widowmaker, 4.00 in. Center, 4.00 in. Center, 10.00 in. Case Length, 5.00 in. Diameter, Stainless Steel, Brushed, Each

Part Number: BWE-BW0013-4

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Black Widow Exhaust Neighborhater 409 Stainless Steel 4 Inch Muffler BW0012-40

Muffler, Neighborhater, 4.00 in. Center, 4.00 in. Center, 6.00 in. Case Length, 5.00 in. Diameter, Stainless Steel, Brushed, Each

Part Number: BWE-BW0012-40

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Flowmaster Outlaw Series Race Steel 4 Inch Muffler 15440S

Muffler, Outlaw, Shorty, 4 in. Inlet Diameter, 4 in. Outlet Diameter, Steel, Black, Each

Part Number: FLO-15440S

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MagnaFlow Performance 409 Stainless Steel 4 Inch Muffler 12772

Muffler, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12772

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Walker Mega-Flow Steel 4 Inch Muffler 22965

Muffler, Mega-Flow, Round, Chambered, Steel, Aluminized, 4 in. Center Inlet and Outlet, 51 in. Length, Each

Part Number: WLK-22965

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Walker Heavy-Duty Steel 4 Inch Muffler 21172

Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-21172

3.75 out of 5 stars ( 4 )

Estimated Ship Date: May 7, 2025 if ordered today

...Loading

Estimated Ship Date: May 7, 2025 if ordered today

Walker Heavy-Duty Steel 4 Inch Muffler 22572

Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Natural, Each

Part Number: WLK-22572

4.0 out of 5 stars ( 4 )

Estimated Ship Date: May 8, 2025 if ordered today

...Loading

Estimated Ship Date: May 8, 2025 if ordered today