Quick view XForce XForce 3" High Flow Catted Downpipe Honda Civic FK8 Type-R FK8 Type-R High Flow Cat downpipe in 304 Stainless steel.4" inlet / 3" outlet XForce dump pipe and cat kits are designed and crafted from stainless steel with 100 cell high-flow metallic catalytic... â‚©1,053,039 Add to Cart