Availability
Header Extensions, Blackheart Intermediate Pipes, 2.50 in. Diameter, 2-bolt Flange, Bung, RWD, Chevrolet, GMC, Small Block LS, Pair
Part Number: HOK-BH13257
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Intermediate Pipes, Exhaust, 2.50 in. O.D., 409 Stainless Steel, with Oxygen (O2) Sensor Bungs, Chevy, GMC, V8, Pair
Part Number: HOK-BH13205
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless, Natural, for Cast Iron Systems, with O2 Bungs, Buick, Chevy, GMC, Olds, Pontiac, V8, Pair
Part Number: HOK-70701317RHKR
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless, Natural, for Cast Iron Systems, with O2 Bungs, Chevy, Pontiac, Pair
Part Number: HOK-70701322RHKR
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless, Natural, for Cast Iron Systems, with O2 Bungs, Buick, Chevy, GMC, Olds, Pontiac, V8, Pair
Part Number: HOK-70701313RHKR
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Intermediate Pipes, Exhaust, 2.50 in. O.D., 409 Stainless Steel, with Oxygen (O2) Sensor Bungs, Chevy, GMC, V8, Pair
Part Number: HOK-BH14351
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless, Natural, for Cast Iron Systems, with O2 Bungs, Chevy, Pontiac, V8, Kit
Part Number: HOK-70701319RHKR
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Intermediate Pipes, Exhaust, 2.50 in. O.D., 409 Stainless Steel, with Oxygen (O2) Sensor Bungs, Chevy, GMC, V8, Pair
Part Number: HOK-BH14350
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Dragster Downsweep, 3-Step Primary, 4.5 in. Collector, Stainless Steel, Polished, Big Block, Chevrolet, Pair
Part Number: HOK-2502-2HKR
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Blackheart Super Competition, Long Tube, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, LS Swap, Pair
Part Number: HOK-701015081HKR
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Dragster Downsweep, 3-Step Primary, 4.5 in. Collector, Steel, Chrome, Big Block, Chevrolet, Pair
Part Number: HOK-2502-6HKR
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Blackheart Super Competition, Long Tube, Steel, Temporary Black Paint, Buick, Chevy, Oldsmobile, Pontiac, LS Swap, Pair
Part Number: HOK-70101508HKR
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Exhaust Pipes, LS Swap Exhaust System Intermediate Pipes, Stainless Steel, Natural, 2.50 in. O.D., Chevy, GMC, Small Block LS, Pair
Part Number: HOK-70701403RHKR
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless Steel, Natural, Race Only, Adapts LS Swap for Mid-Length Headers, Chevy, Pontiac, V8, Pair
Part Number: HOK-70701305RHKR
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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