QIKFPV

Anyone fitted a full Difilippo header/exhaust system using the 3" High Flow Cats to either a GT or GTP....results? Power/Torq gains? Sound? How does the system differ to the Herrod system. I believe the Difilippo system is slightly louder. What about performance vs Herrod. Cheers

bossxr8

I think the Defilipo system is the same as the Herrods one. Defilipo make the exhausts for Herrod.

XRFPV8

Just check not sure if Herrods still use Defilipo headers, ring them..

I heard Alex's system on his GT fitted by F1 performance they used Defilipo headers & cats, twin 3 inch then single 3 1/2 over diff best exhaust i ever heard on a GT as for power gains don’t know. he ran a 13.60 at calder best time for a 290 boss so far..

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PHANTOM BA XR8 UTE, AUTO, UNICHIP, APS TUNED 229 RWKW ET:13.47.

Rods Rocket, Boss n/a 290 Unichip Tuned by APS et:12.6@110 Mph
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