OBX Performance Exhaust Manifold Header 85-91 Chevy Corvette C4 L98 5.7L w Y-Pipe
16 Gauge Runner Wall, 0.4″ flange, 1 3/8″ primaries pipes, 3.5″ OD Collector
2 1/2″ y-pipe
OBX Racing Sports exhaust systems feature high performance straight-flow technology to unleash the engine’s maximum horsepower. Increases velocity and delivers a measurable boost on the low as well as top end. OBX Racing Sports exhaust systems smooth-flow sound gives it a distinctive tone. Each system is individually hand built from highest grade materials. Extremely competitive pricing that won’t break your bank. Needless to say, this is what you can expect from a vendor of the world’s largest automobile OEM manufacture supplier.
14 Gauge Mandrel bend for ultra smooth fast flow
Computer Numerical Control (CNC) machined flange for precision fitment
Dual Tungsten Inert Gas (T.I.G.) welding for stronger hold
Increase Better/Smoother Exhaust Flow At Higher RPM To Generate More Power And Maximum Performance Out Of Your Engine.
Great Power Package to Unleashed Hidden Ponies From Your Motor.
Get Up To 35% Better Exhaust Gas Flow By Replacing The Restrictive And Inefficient Factory Cast Log Manifolds With These Precision Built High Flow Headers.
Direct Bolt On/ Weld On Set Up Without Any Modification
Precision CNC Machined Flange
Dyno Tested and Track Proven to Increase Low End and Top Speed to Increase Torque And Horse Power
Backed by OBX Limited Life Time Warranty against Manufacturer Defects
Don’t settle for the cheaper exhausts on eBay which are known to crack over time due to cheap welding, thin flanges, and very thin wall thickness. Also comes with a lifetime warranty from manufacturer defects. Dyno proven to increase horsepower.
Product Features
- High quality T-304 stainless steel
- Lifetime warranty from manufacturer defects
- OBX Genuine Products Design and Quality of OBX U.S.A
- Value Added Gaskets & Hardware included as shown
- Precision CNC machined flanges with DUAL-TIG welded construction
I recommend reworking the brake lines or you might run in … Went on 1989 corvette. Only required the cutting of some heat shields. I recommend reworking the brake lines or you might run in to some longer term issues.