High-Output Headers & Manifolds
Discover our high-output Headers & Manifolds at HD Werks. Crafted for superior performance and original design, these components are built with high quality Japanese engineering and genuine aftermarket parts to optimize exhaust flow and engine efficiency. Ideal for racing and performance builds, they offer custom upgrades that enhance power and durability. Embrace innovative engineering with authentic Japanese design that transforms your exhaust system into a high-performance solution on every journey.
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Vendor:GReddyGReddy 12-15 Honda Civic Si Coupe Exhaust Adapter To Work On Sedan Models
Regular price $142.99Regular price$150.00-$7.01 Sale price $142.99 -
-$4.01
Vendor:GReddyGReddy 06+ Civic Si Coupe Exhaust Adapter to work on Sedan Models (works only with Greddy Exhausts)
Regular price $80.99Regular price$85.00-$4.01 Sale price $80.99 -
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GReddy Front Exhaust Gasket Replacement For 10th Gen Honda Civic
Regular price $6.99Regular price$7.00-$0.01 Sale price $6.99 -
-$0.01
Vendor:GReddyGReddy 3.0in Exhaust System Gasket (Round Bolt Holes)
Regular price $8.99Regular price$9.00-$0.01 Sale price $8.99 -
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GReddy 2.5in Universal Exhaust Gasket
Regular price $5.99Regular price$6.00-$0.01 Sale price $5.99 -
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Vendor:GReddyGReddy 70mm Exhaust System Gasket (Round Bolt Holes)
Regular price $8.99Regular price$9.00-$0.01 Sale price $8.99 -
-$0.01
Vendor:GReddyGReddy 60mm Oval Exhaust Gasket
Regular price $5.99Regular price$6.00-$0.01 Sale price $5.99 -
-$0.01
Vendor:GReddyGReddy 80mm Oval Exhaust Gasket
Regular price $10.99Regular price$11.00-$0.01 Sale price $10.99 -
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Vendor:GReddyGReddy 70mm Exhaust Oval Gasket
Regular price $10.99Regular price$11.00-$0.01 Sale price $10.99 -
-$0.01
Vendor:GReddyGReddy 60mm Exhaust Oval Gasket
Regular price $6.99Regular price$7.00-$0.01 Sale price $6.99 -
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Vendor:GReddyGReddy Replacement Exhaust Hardware for 2-Bolt Flanges
Regular price $9.99Regular price$10.00-$0.01 Sale price $9.99 -
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GReddy 2018+ Suzuki Jimny Sierra 4WD JB74W Cross S-Style Exhaust
Regular price $1,615.99Regular price$1,700.00-$84.01 Sale price $1,615.99 -
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Vendor:GReddyGReddy 18+ Suzuki Jimny JB74W XRoss G-Style Exhaust
Regular price $1,852.99Regular price$1,950.00-$97.01 Sale price $1,852.99 -
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Vendor:GReddyGReddy 18+ Suzuki Jimny JB64W XRoss Muffler G-Style Exhaust
Regular price $1,615.99Regular price$1,700.00-$84.01 Sale price $1,615.99 -
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GReddy 17-23 Suzuki Swift Power Extreme R ZC33S Cat-Back Exhaust
Regular price $1,995.99Regular price$2,100.00-$104.01 Sale price $1,995.99 -
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Vendor:GReddyGReddy 2017+ Honda Civic Type-R DD-R Sport Exhaust System (Resonated)
Regular price $997.99Regular price$1,050.00-$52.01 Sale price $997.99 -
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Vendor:GReddyGReddy 2017+ Honda Civic Sport 5DR/Type-R DD-R Non-Resonated Exhaust
Regular price $826.99Regular price$870.00-$43.01 Sale price $826.99 -
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Vendor:GReddyGReddy 2017+ Honda Civic SI Sedan DD-R Resonated Exhaust
Regular price $940.99Regular price$990.00-$49.01 Sale price $940.99 -
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Vendor:GReddyGReddy 2017+ Honda Civic SI Coupe DD-R Resonated Exhaust
Regular price $940.99Regular price$990.00-$49.01 Sale price $940.99 -
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Vendor:GReddyGReddy 00-01 Acura Integra GSR / 94-01 Acura Integra LS/RS Supreme SP Exhaust
Regular price $736.99Regular price$775.00-$38.01 Sale price $736.99 -
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Vendor:GReddyGReddy 17+ Honda Civic Type-R Supreme SP Exhaust
Regular price $741.99Regular price$780.00-$38.01 Sale price $741.99 -
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Vendor:GReddyGReddy 03-08 Nissan 350z Revolution RS Exhaust w/ SS Y-Pipe
Regular price $769.99Regular price$810.00-$40.01 Sale price $769.99 -
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Vendor:GReddyGReddy 03-08 Nissan 350z Revolution RS Exhaust (SS Y-Pipe Not Incl.)
Regular price $570.99Regular price$600.00-$29.01 Sale price $570.99 -
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Vendor:GReddyGReddy 99-02Nissan Skyline GT-R R34 Power Extreme TR Cat-Back Exhaust
Regular price $1,092.99Regular price$1,150.00-$57.01 Sale price $1,092.99 -
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Vendor:GReddyGReddy 89-91 Nissan Skyline GTR BNR32 Evolution GT Exhaust
Regular price $688.99Regular price$725.00-$36.01 Sale price $688.99 -
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Vendor:GReddyGReddy 99-02Nissan Skyline GT-R R33 Power Extreme TR Cat-Back Exhaust
Regular price $1,092.99Regular price$1,150.00-$57.01 Sale price $1,092.99 -
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Vendor:GReddyGReddy 89-94 Nissan Skyline GT-R R32 Power Extreme TR Cat-Back Exhaust
Regular price $1,092.99Regular price$1,150.00-$57.01 Sale price $1,092.99 -
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Vendor:GReddyGReddy 01-05 Lexus IS300 Sedan Supreme Exhaust
Regular price $788.99Regular price$830.00-$41.01 Sale price $788.99 -
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GReddy 12-21 Toyota GT86 JDM Power Extreme 3 Cat-Back Exhaust (SPECIAL ORDER)
Regular price $1,852.99Regular price$1,950.00-$97.01 Sale price $1,852.99 -
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Vendor:GReddyGReddy Toyota FJ Cruiser JDM Model XRoss S-Style Exhaust
Regular price $1,330.99Regular price$1,400.00-$69.01 Sale price $1,330.99 -
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GReddy 2022+ Toyota (ZN8) GR86 / Subaru (ZD8) BRZ Comfort Sport GTS Catback Exhaust
Regular price $1,235.99Regular price$1,300.00-$64.01 Sale price $1,235.99 -
-$1.01
Vendor:CuscoCusco HD Exhaust Bushing Blue 15mm Hole ID x 35mm Distance (Hole to Hole) x 25mm Thickness Subaru
Regular price $11.99Regular price$13.00-$1.01 Sale price $11.99 -
-$1.01
Vendor:CuscoCusco HD Exhaust Bushing Blue 11mm Hole ID x 40mm Distance (Hole to Hole) x 26mm Thickness Toyota
Regular price $11.99Regular price$13.00-$1.01 Sale price $11.99 -
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Vendor:Cometic GasketCometic Corvette C7 Gen 5 SBC 6.2L LT1 .021in MLS Exhaust Gasket (1.920in)
Regular price $54.99Regular price$60.66-$5.67 Sale price $54.99 -
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Vendor:Cometic GasketCometic Mitsubishi 4G63T/4G64 89-99 Exhaust .030 in MLS Exhaust Gasket 2.287 in x 1.615 in Port
Regular price $24.99Regular price$27.22-$2.23 Sale price $24.99
