Performance Auto Parts for LS Swaps, Muscle Cars & Modern Builds

Shop thousands of in-stock performance parts from trusted brands—engine upgrades, suspension, exhaust, fuel systems, and more. Fast shipping and real-world support from fellow car enthusiasts.

Speed Engineering Coyote Swap Longtube Headers FORD MUSTANG 1965-1972 25-1083

$349.99
25-1083
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA Speed Engineering Coyote swap longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability....

Speed Engineering LT Swap 1 7/8" Longtube Headers C10 TRUCKS UNIVERSAL (LT1 LT4) 25-1058 ETA 4/30/25

$329.99
25-1058
.HeadersManifolds All Headers & Manifolds Speed Engineering
ETA 4/30/25 Speed Engineering LT Swap Longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our LT...

Speed Engineering LS Swap Longtube Headers 1 3/4" K1500 4WD TRUCK 1988-1998 25-1012

$299.99
25-1012
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA Speed Engineering LS Swap Longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability....

Speed Engineering Cadillac CTS-V 1 3/4" Longtube Headers 2004-2007 (LS1 LS2 ENGINES) 25-1088

$349.99
25-1088
.HeadersManifolds All Headers & Manifolds Speed Engineering
Speed Engineering Cadillac CTS-V longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our CTS V longtube...

Speed Engineering C5 Corvette X-Pipe Kit 1997-2004 25-1089

$199.99
25-1089
.HPipeYpipeXPipeMergePipes All Speed Engineering X Pipes
Speed Engineering X-Pipes are made out of 304 stainless steel and offer great quality, performance, and affordability. Our X-Pipes are mandrel bent, tig welded,...

Speed Engineering C7 Corvette Longtube X-Pipe Kit 2014-2019 (LT1, LT4 ENGINES) 25-1045

$249.99
25-1045
.HeadersManifolds .HPipeYpipeXPipeMergePipes All Speed Engineering X Pipes
Speed Engineering X-Pipes are made out of 304 stainless steel and offer great quality, performance, and affordability. Our X-Pipes are mandrel bent, tig welded,...

Speed Engineering LS1 Camaro Firebird True Dual Exhaust (AXLE EXIT) 25-1030

$349.99
25-1030
.ExhaustSystemsKits All Header Back Speed Engineering
Speed Engineering true dual exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is mandrel bent,...

FULL KIT Speed Engineering Gen 6 Camaro 1 7/8" Longtube Headers 2016+(LT1 LT4 ENGINES) 25-1046

$768.94
25-1046KIT
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA This kit includes the parts required and recommended parts to install longtube headers in your 16+ Camaro and connect them...

Speed Engineering 2008-2009 Pontiac G8/2014-2017 Chevrolet SS True Dual Exhaust 25-1157 ETA 5/30/25

$549.99
25-1157
All Speed Engineering
ETA 5/30/25 Speed Engineering true dual exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is...

Speed Engineering 2019-2024 Silverado & Sierra 1 7/8" Longtube Headers 25-1152

$349.99
25-1152
.HeadersManifolds All Speed Engineering
NOT AVAILABLE TO CALIFORNIASpeed Engineering Silverado & Sierra longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability....

Speed Engineering Spark Plug Wires Car, Truck, & SUV 10" Length "BLACK" 26-1066

$69.99
26-1066
.Sparkplugwires All Speed Engineering
Speed Engineering 45 degree angled spark plug wires. We offer our own line of quality spark plug wires produced here in the U.S. These...

Speed Engineering Silverado & Sierra Twin Turbo Kit 2007-2013 (4.8L, 5.3L, 6.0L, 6.2L) 32-TwinKit-0713

$2,999.99
32-TwinKit-0713
.TurbochargersSuperchargers All Speed Engineering Turbo Kits
Speed Engineering turbo systems: Our goal with these kits was to make the most complete, best fitting, most versatile turbo system on the market...

Speed Engineering LS Swap Longtube Headers B BODY 1965-1970 (LS1 LS2 LS3 LS6 LSA) 25-1027

$329.99
25-1027
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA Looking to swap a newer LS series engine into a 1965-1970 B Body. Speed Engineering LS swap longtube headers are...

Speed Engineering Trailblazer SS Off Road Y-Pipe (2006-2009) 25-1042

$169.99
25-1042
.HPipeYpipeXPipeMergePipes All Speed Engineering Y Pipes
Speed Engineering Y-Pipes are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Y-Pipes are mandrel bent, tig welded,...

Speed Engineering Silverado & Sierra True Dual Exhaust System 1999-2019 (SINGLE CAB) "REAR EXIT" 25-1006 ETA 4/30/25

$679.99
25-1006-4
.ExhaustSystemsKits All Header Back Speed Engineering
ETA 4/30/25 Speed Engineering true dual exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is...

Speed Engineering C7 Corvette 2" Longtube Headers 2014-2019 (LT1 LT4 ENGINES) 25-1067

$499.99
25-1067
.HeadersManifolds All Headers & Manifolds Speed Engineering
Speed Engineering Corvette longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Corvette longtube headers are...

Speed Engineering 2010-2015 Camaro True Dual Exhaust LS3 & L99 (SS, 1LE, ZL1) 25-1022

$599.99
25-1022
.ExhaustSystemsKits All Catback Header Back Speed Engineering
Speed Engineering true dual exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is mandrel bent,...

Speed Engineering LS Swap Longtube Headers & AJE K-Member FOX BODY 1979-93 & 1994-04 FORD MUSTANG 25-1028

$999.99
25-1028
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA LS Swap Longtube Headers & AJE K-Member Fox Body 1979-93 & 1994-04 Ford Mustang Speed Engineering LS Swap Longtube headers are...

Speed Engineering C10 LS Swap Kit 1960-1972 (LS1 LS2 LS3 LS6 LSA) SE-C10-KIT-60-72

$199.99
SE-C10-KIT-60-72
.HeadersManifolds All Speed Engineering
Speed Engineering C10 LS Swap Kit 1960-1972 with all of the options on headers, oil pans, and many more products that we offer!Features Available:...

Speed Engineering "PAIR" Mustang Flat 5 Pin O2 Extensions (2018+) 31-1009

$39.99
31-1009
All Speed Engineering Wiring Harnesses
Oxygen sensor extensions allow for easy relocation of oxygen sensors. This is perfect for the installation of headers which require the oxygen sensor be...

Speed Engineering LS Swap Longtube Headers 1 7/8" K1500 4WD TRUCK 1988-1998 25-1011

$319.99
25-1011
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA Speed Engineering LS Swap Longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability....

Speed Engineering LT Swap 1 7/8" Longtube Headers A BODY, F-BODY, X-BODY (LT1 LT4) 25-1058 ETA 4/30/25

$329.99
25-1058
.HeadersManifolds All Headers & Manifolds Speed Engineering
ETA 4/30/25 Speed Engineering LT Swap Longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our LT...

Speed Engineering Cadillac CTS-V 2" Longtube Headers 2009-2015 (LSA ENGINES) 25-1048

$429.99
25-1048
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIASpeed Engineering Cadillac CTS-V longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our...

Speed Engineering Pontiac GTO 1 7/8" Longtube Headers 2004-2006 (LS1 LS2 ENGINES) 25-1050

$329.99
25-1050
.HeadersManifolds All Headers & Manifolds Speed Engineering
Speed Engineering Pontiac GTO longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our GTO longtube headers are...

Speed Engineering "PAIR" 24" White Square O2 Extension (04-06 GTO, 08-09 G8, 09-15 CTS-V) 31-1005

$39.99
31-1005
All Speed Engineering Wiring Harnesses
Oxygen sensor extensions allow for easy relocation of oxygen sensors. This is perfect for the installation of headers which require the oxygen sensor be...

Speed Engineering Trailblazer SS Cat-Back Exhaust (2006-2009) 25-1069

$499.99
25-1069
.ExhaustSystemsKits All Catback Speed Engineering
Speed Engineering exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is mandrel bent, tig welded,...

Speed Engineering Silverado & Sierra 3" Single Exhaust (1999-2006) 25-1071

$399.99
25-1071
.ExhaustSystemsKits All Catback Speed Engineering
Speed Engineering 3" single exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is mandrel bent,...

FULL KIT Speed Engineering Gen 4 Camaro & Firebird 1 7/8" Longtube Headers 1998-2002 (LS1 ENGINES) 25-1020

$544.95
25-1020KIT
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA This kit includes the parts required and recommended parts to install longtube headers in your 98-02 Fbody and connect them...

FULL KIT Speed Engineering Trailblazer SS 1 7/8" Longtube Headers 2006-2009 (LS2 ENGINES) 25-1041

$534.96
25-1041KIT
.HeadersManifolds All Headers & Manifolds Speed Engineering
NOT AVAILABLE TO CALIFORNIA This kit includes the parts required and recommended parts to install longtube headers in your TBSS and connect them with...

Speed Engineering LT Swap 1 7/8" Longtube Headers Gen 3 Camaro Firebird 1982-1992 (GEN V LT, LT1, LT4, LT5) 25-1163

$349.99
25-1163
.HeadersManifolds All Speed Engineering
NOT AVAILABLE TO CALIFORNIA Speed Engineering LT Swap Camaro & Firebird Longtube headers are made out of 304 stainless steel and offer great quality,...

Speed Engineering Universal 3" Exhaust Builder Kit (304 Stainless) LS Engine Swap 25-1033

$199.99
25-1033
All Speed Engineering
Speed Engineering Builder Kits are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Builder Kits are mandrel bent,...

Speed Engineering LS Swap 1 3/4" Shorty Headers Camaro, Chevelle, Nova, C10, K10, OBS Truck 25-1159

$219.99
25-1159
.HeadersManifolds All Speed Engineering
NOT AVAILABLE TO CALIFORNIA Speed Engineering LS swap shorty headers are made out of 304 stainless steel and offer great quality, performance, and affordability....

Speed Engineering LS Swap Twin Turbo Kit (A-Body, F-Body, C10 Trucks) 32-TwinKit-Swap

$2,999.99
32-TwinKit-Swap
.TurbochargersSuperchargers All Speed Engineering
Speed Engineering turbo systems: Our goal with these kits was to make the most complete, best fitting, most versatile turbo system on the market...

Speed Engineering Silverado & Sierra X-Pipe 2019-2024 (5.3L, 6.2L) Truck & SUV 25-1154

$299.99
25-1154
.HPipeYpipeXPipeMergePipes All Speed Engineering
Speed Engineering True Dual X-Pipe System is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is mandrel...

Speed Engineering Silverado & Sierra Y-Pipe 2019-2024 (5.3L, 6.2L) Truck & SUV 25-1153

$179.99
25-1153
.HPipeYpipeXPipeMergePipes All Speed Engineering
Speed Engineering Y-Pipes are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Y-Pipes are mandrel bent, tig welded,...

Speed Engineering LS Engine Motor Mount Plates (LS CONVERSION SWAPS) LS1, LS2, LS3, LS6, LS9 26-1036

$39.99
26-1036
All Speed Engineering
Looking to swap a newer LS series motor into an older car or truck? Let us make it quick and easy. Our motor mounts...
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