Performance and Replacement Car, Truck, and More Exhaust Parts

Your car or truck was originally equipped with a restrictive, small-diameter exhaust system that was designed for one purpose: to be as quiet as possible. Uncork your...

Your car or truck was originally equipped with a restrictive, small-diameter exhaust system that was designed for one purpose: to be as quiet as possible. Uncork your vehicle’s exhaust flow with a performance exhaust system and you’ll restore lost horsepower and torque, and produce that iconic performance sound. We have complete cat-back exhaust systems and power-adding headers made from lightweight aluminized steel, or from rugged stainless steel, with many available polished to a show-ready shine. Or choose from exhaust parts such as the individual pipes, tubes, flanges, and turndowns you need for a custom setup, plus...

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Proform Self-Locking Wedge Header Bolts 66756

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1.000 in. UHL, Set of 16

Part Number: PRO-66756

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Formed Transition Tubes SUM-643070

Exhaust Tubing, Reducers, Transition Tube, Round, Stainless Steel, Natural, 2.500 in. O.D./3.000 in. O.D. End Sizes, 3.000 in. Length, Each

Part Number: SUM-643070

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Proform Self-Locking Wedge Header Bolts 66753

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1 in. UHL, Chevy, Set of 12

Part Number: PRO-66753

4.6 out of 5 stars ( 25 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Stainless Works Formed Collectors FC4175-300

Stainless Works Formed Collectors FC4175-300

Header Collector, Formed, 4 Into 1 Style, Stainless Steel, Natural, Weld-on, 3.00 in. Diameter, 7.00 in. Length, 1 3/4 in. Primary Tube O.D., Each

Part Number: STW-FC4175-300

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Stainless Works Formed Collectors FC4188-300

Exhaust Collector, Formed, Stainless Steel, 4 into 1, 1.875 in. primary, 3 in. Outlet, 8 in. Length, Each

Part Number: STW-FC4188-300

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Formed Transition Tubes SUM-643071

Exhaust Tubing, Reducers, Transition Tube, Round, Stainless Steel, Natural, 3.000 in. O.D./3.500 in. O.D. End Sizes, 3.000 in. Length, Each

Part Number: SUM-643071

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Proform Self-Locking Wedge Header Bolts 66754

Header Bolts, Hex Head, Steel, Nickel Plated, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: PRO-66754

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Proform Self-Locking Wedge Header Bolts 66752

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 16

Part Number: PRO-66752

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Formed Transition Tubes SUM-260044

Exhaust Tubing, Reducers, Transition Tube, Round, Aluminum, Natural, 3.000 in.O.D./4.000 in. O.D. End Sizes, 3.000 in. Length, Each

Part Number: SUM-260044

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7672

Header Collectors, Formed, 4 Into 1, Weld-on, 1 3/4 in. Primary, 3.0 in Collector Diameter, 10 in Length, Pair

Part Number: PTE-H7672

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Proform Self-Locking Wedge Header Bolts 66755

Header Bolts, Hex Head, Steel, Nickel Plated, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: PRO-66755

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7674

Header Collectors, Formed, 4 Into 1, Weld-on, 1 7/8 in. Primary, 3.0 in Collector Diameter, 10 in Length, Pair

Part Number: PTE-H7674

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7686

Header Collectors, Weld-On, Steel, Natural, 2.0 in. Primary, 3.5 in. Outlet, 10 in. Length, Pair

Part Number: PTE-H7686

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7690

Header Collectors, Formed, 4 Into 1, Weld-on, 2 1/4 in. Primary, 4.0 in Collector Diameter, 10 in Length, Pair

Part Number: PTE-H7690

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Stainless Works Formed Collectors FC4200-300

Exhaust Collector, Formed, Stainless Steel, 4 into 1, 2 in. primary, 3 in. Outlet, 8 in. Length, Each

Part Number: STW-FC4200-300

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Formed Transition Tubes SUM-260042

Exhaust Tubing, Reducers, Transition Tube, Round, Aluminum, Natural, 3.000 in. OD./3.500 in. O.D. End Sizes, 3.000 in. Length, Each

Part Number: SUM-260042

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7678

Header Collectors, Formed, 4 Into 1, Weld-on, 1 1/2 in. Primary, 2.5 in. Collector Diameter, 6 in Length, Pair

Part Number: PTE-H7678

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Proform Self-Locking Wedge Header Bolts 66751

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 12

Part Number: PRO-66751

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Stainless Works Formed Collectors FC4175-250

Exhaust Collector, Formed, Stainless Steel, 4 into 1, 7 in. Length, Each

Part Number: STW-FC4175-250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Formed Transition Tubes SUM-643073

Exhaust Tubing, Reducers, Transition Tube, Round, Stainless Steel, Natural, 3.000 in. O.D./4.000 in. O.D. End Sizes, 3.000 in. Length, Each

Part Number: SUM-643073

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Stainless Works Formed Collectors FC4188-250

1 7/8" primary, 2.5" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collec

Part Number: STW-FC4188-250

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Stainless Works Formed Collectors FC4200-350

Header Collector, Formed, Stainless Steel, 4 into 1, 2 in. primary, 3.5 in. Outlet, 8 in. Length, Natural, Each

Part Number: STW-FC4200-350

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7664

Header Collector, Formed, 2 Into 1, Weld-on, 2 in. Primary, 2.5 in. Collector Diameter, 6.5 in. Length, Each

Part Number: PTE-H7664

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7670

Header Collectors, Formed, 4 Into 1, Weld-on, 1 5/8 in. Primary, 3.0 in Collector Diameter, 10 in Length, Pair

Part Number: PTE-H7670

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Patriot Formed Collectors H7671

Exhaust Collectors, 1 5/8 in. Primary, 2.50 in. Outlet, 4 into 1, 10.0 in. Length, Pair

Part Number: PTE-H7671

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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