 CERAMIC-COATED MERGED COMPETITION EXHAUST WITH STINGER CERAMIC-COATED MERGED COMPETITION EXHAUST WITH STINGER High-impact ceramic coating is fused at 650° to create a virtually impenetrable barrier aga... more |
 PERFORMANCE MANIFOLD NEW LOWER PRICES! PERFORMANCE HEADER With 3" collectors and 1-5/8" and 1-3/4" tubing Exclusive mandrel collector for power and sound Affordable power ... more |
 Performance MANIFOLD Kits for 4,6, & 8 Cylinder Vehicles PERFORMANCE MANIFOLD KIT Hedder lets 4, 6 and 8-cylinder cars, trucks, vans and SUVs "breathe" better and operate more efficiently Get more horsepower, ... more |
 PRO-FLO 4-2-1 HEDDER PRO-FLO 4-2-1 MANIFOLD Up to 6 HP gains at the wheels! 3/8" laser-cut and CNC-machined flanges for a perfect fit 2-pc. design: 1-3/4" diam. "A" pipe and... more |
 4-2-1 2-PIECE MANIFOLD KIT 4-2-1 2-PIECE MANIFOLD KIT The perfect combination of performance superiority and installation ease! The best average power gains, best peak power and b... more |
 4-2-1 ONE-PIECE HEDDER 4-2-1 ONE-PIECE MANIFOLD Up to 2 lbs. lighter than 2-piece headers Perfect combination of clean look, light weight and superior ground clearance Mandrel... more |
 EMISSIONS-LEGAL MANIFOLD KIT EMISSIONS-LEGAL MANIFOLD KIT Flocote™ internal ceramic finish increases exhaust flow for more power and better overall performance Triple-thick ex... more |
 PERFORMANCE LONG-TUBE MANIFOLD NEW LOWER PRICES! PERFORMANCE LONG-TUBE MANIFOLD Reduce back pressure Help engine "breathe" better to increase power and gas mileage Available in high-... more |
 Custom-fit High-performance Competition Manifold CUSTOM-FIT HIGH-PERFORMANCE COMPETITION MANIFOLD A must for engines with a restrictive exhaust manifold that can limit operating efficiency and result ... more |
 Dyno-tuned Dual-hedder Exhaust DYNO-TUNED DUAL-MANIFOLD EXHAUST Glass-packed detachable mufflers Choose chrome-plated or black-finished system with chrome-plated mufflers Custom fit f... more |
 TEPEE-STYLE MANIFOLD EXHAUSTS TEPEE-STYLE MANIFOLD EXHAUSTS Equal-length tubes mount above engine providing maximum ground clearance and assuring extra horsepower due to extractor ef... more |
 DUAL MANIFOLD EXHAUST SYSTEMS FOR VOLKSWAGEN DUAL HEDDER EXHAUST SYSTEMS - FOR VOLKSWAGEN Get more horsepower at the wheels For dune buggies and kit cars with Volkswagen engines Note: Not legal f... more |
 HIDE-OUT EXHAUST MANIFOLD-EXTRACTOR HIDE-OUT™ EXHAUST MANIFOLD/EXTRACTOR Perfect when you don\'t want your muffler to be seen Custom designed to bolt easily to Hide-Out™ Muffler ... more |
 MANIFOLD-STINGER MANIFOLD/STINGER With competition merged collector Four 1-1/2" diameter pipes allow gases to gradually merge at the collector. Pipes are held in place b... more |
 SPLIT-MANIFOLD DUAL EXHAUST SYSTEMS SPLIT-MANIFOLD DUAL EXHAUST SYSTEMS When you want to most from your 1954-1973 Baja Bug or Dune Buggy with an "upright fan" VW engine! Replacement system... more |
 High-performance Manifold-Dual Exhaust Systems HIGH-PERFORMANCE MANIFOLD-DUAL EXHAUST SYSTEMS Kits add horsepower for better performance Systems improve fuel economy…reduces back pressure For \\\\... more |
 Performance MANIFOLD Set PERFORMANCE MANIFOLD SET Corrosion resistant—choose chrome-plated heavy-duty 14-gauge steel, heavy-duty 409L 16-gauge stainless steel or ceramic-co... more |
 AFTERBURNER TURBO CHAMBER MANIFOLD FOR GM TRUCKS NEW LOWER PRICES! AFTERBURNER™ TURBO CHAMBER MANIFOLD At low RPM, Afterburner™ helps engine produce monstrous power At high RPM, Afterburner&... more |
 Exhaust Hedder Kits EXHAUST MANIFOLD KITS Complete with gaskets and hardware Shipped separately from factory. NOTE: SKU numbers ending in F are factory shipped and may take... more |
 TRI-Y MANIFOLD TRI-Y MANIFOLD Classic Tri-Y design increases horsepower over stock exhaust manifolds Industry standard for full-length chassis-exit Mustang hedders Cer... more |
 STREETROD MANIFOLD STREETROD MANIFOLD Designed for 1928-1948 Ford chassis vehicles with Chevy small block engine Specially-suited for high-horsepower engines using blowers... more |
 TRI-5 MANIFOLD TRI-5 MANIFOLD Engineered for 1955-1957 Chevy passenger car engine transplants Clears most motor mounts Provides extra ground clearance for lowered cars... more |
 FAT-T ROADSTER MANIFOLD FAT-T ROADSTER MANIFOLD Slip onto T-bucket headers for great looks and performance Unique fiberglass wrapped baffle gives you street legal performance ... more |
 TIGHT TUCK MANIFOLD TIGHT TUCK MANIFOLD Engineered for street rods and hot rods Solves many problems associated with engine swaps Manufactured from durable 16-gauge tubing ... more |
 CLIPPSTER-STYLE MANIFOLD P CLIPPSTER-STYLE MANIFOLD Perfect for grafting modern uni-body front clip suspensions to street rods Longer primary tubes than tight-tuck headers for mor... more |
 FULL-LENGTH MANIFOLD FULL-LENGTH MANIFOLD Perfect for grafting modern uni-body front clip suspensions to street rods Longer primary tubes than tight-tuck headers for more po... more |
 REPLACEMENT PERFORMANCE MANIFOLD REPLACEMENT PERFORMANCE MANIFOLD Shipped separately from factory. NOTE: SKU numbers ending in F are factory shipped and may take a little longer to reac... more |
 Performance MANIFOLD PERFORMANCE MANIFOLD FOR JEEP® Corrosion-resistant header kit improves performance and fuel economy and provides the acceleration you need when you... more |
 Hedman Hedders Performance-Geared PERFORMANCE-GEARED (PAINTED) HEDMANN HEDDERS® Replace inefficient heavy cast iron factory manifolds Allow engine to breathe efficiently and produc... more |
 Engine Swap Hedder HEDMANN ENGINE SWAP HEDDERS® Improve engine efficiency allowing an increase performance by up to 20% Remove exhaust gasses faster and more effici... more |
 Armor*Coat Ceramic-metallic Coated Shorty MANIFOLD ARMOR*COAT CERAMIC-METALLIC COATED SHORTY MANIFOLD Replaces exhaust manifold perfectly and retains all emission fittings with no modifications! Corrosi... more |
 Black-painted Shorty MANIFOLD BLACK PAINTED SHORTY MANIFOLD Economical way to replace exhaust manifold and retain all emission fittings! More power and faster acceleration! Dramatic... more |
 Performance Steel MANIFOLD CUSTOM-FIT PERFORMANCE MANIFOLD Easiest way to improve your car\'s performance! Replaces power-robbing exhaust manifold to help engine run smoother and... more |
 Shorty Performance MANIFOLD SHORTY PERFORMANCE MANIFOLD Increase horsepower, torque and acceleration! 1-5/8" tubing with 3/8" thick laser-cut flanges Direct bolt-on—no weldin... more |
 Performance Header Kits PERFORMANCE HEADER KITS Heavy wall tubing for longevity and consistent flow area Fully mandrel-bent heavy gauge tubing Precision laser-cut flange with... more |
 Super Comp Performance Long-tube MANIFOLD Kits PERFORMANCE LONG-TUBE MANIFOLD KIT Decrease back pressure for increased exhaust velocity Mandrel bent 16-guage steel Great performance with modified eng... more |
 Hi-Tech Coating (HTC) Hedders HI-TECH COATING (HTC) HEDMANN HEDDERS® Best thermal coating on the market—guaranteed for 5 years! More durable than chrome—won\'t chip, ... more |
 Elite Hedders ELITE™ HEDMANN HEDDERS® Best choice for tough off-roading conditions Made of extra-heavy-duty 14-gauge tubing and bulletproof 3/8" flanges wh... more |
 EXHAUST MANIFOLD EXHAUST MANIFOLD Great upgrade to any stock 1991-2004 4.0L Wrangler engine Flanges are welded 360° to stand up against the hottest conditions Simply... more |
 Dougs Performance MANIFOLD PERFORMANCE MANIFOLD Properly tuned to result in dramatic increases in horsepower and torque Specifically fit for proper tube size and length to effici... more |
 Performance Turbo Downpipes PERFORMANCE TURBO DOWNPIPE Better flow = More horsepower! Works with Pacesetter MANIFOLD for models with stock turbo charges The 16-gauge, 3" diameter ... more |
 3" Diameter MANIFOLD Extensions 3" DIAMETER MANIFOLD EXTENSIONS Realize the full power of the original American muscle car by letting all 6 liters breathe through these specially desig... more |