PLM B Series Tri-Y Big Tube Header B18 B20

Private Label Mfg. B-Series Tri-Y Big Tube Header – B18 B20

The PLM Private Label Mfg. B-Series Tri-Y Big Tube Header is the best-selling B-Series header on the market, trusted by enthusiasts for over 15 years. Designed with a true step-up exhaust system, this long-tube header delivers significant low- to mid-range power gains, making it ideal for serious performance builds.

Featuring a two-piece slip-fit design, the Big Tube Header ensures a seamless fit for maximum horsepower. For the best value and proven performance, trust the original PLM Big Tube Header to unleash big power.

Features:
Designed for Honda B-Series engines B18 and B20
Big Tube construction for maximum power gains
Stainless steel construction
Tri-Y collectors for optimal flow
Professionally hand TIG welded and assembled
Flange thickness is 3/8" with 16–18 gauge piping
Backed by a one-year warranty

Compatible Vehicles:
Honda B-Series engines (B16, B18, B20)
1992–2000 Honda Civic with B-Series swap (EG, EK)
1994–2001 Acura Integra with B-Series swap (DC2)

Installation Notes:
Works with A/C if slim fans are used and A/C lines are re-routed
Not compatible with factory A/C setup in stock configuration
Recommended for B18 or B20 engine applications