Originally Posted by EssTeeAai
EL or UEL header, and why? And will I need to retune after this bolt-on?
A proper EL header will make great mid to top end and allow far more aggressive ignition settings. Placing both on untuned with make similar power. A good tuner can do alot more with a big tube EL header.
We recommend the Invidia Race header big tube 1.5 scroll for EL. And Tomei for UEL. A retune is key for getting the most out of this modification.