Mazda MX5 Mk1 1.8 Turbo Exhaust Kit – GT25/GT28 Manifold, Downpipe & 200-Cell Sports Cat

Mazda MX5 Mk1 1.8 Turbo Exhaust Kit – Manifold, Downpipe & Centrepipe with 200-Cell Sports Cat

Upgrade your Mazda MX5 Mk1 1.8 with this high-performance turbo exhaust kit, designed for Garrett GT2860RS, GT2871R, or compatible hybrid turbos using the same flange dimensions. Perfect for enthusiasts seeking flexible turbo options, including eBay units, second-hand Nissan 200SX compressor adapters, or popular choices like the GT2860/GT2871 and Disco Potato setups.

Recommended Compatible Turbos:

• GT2860RS journal bearing: spools ~2500RPM, ideal 230–370 BHP

• GT2860RS ball bearing: spools ~2200RPM, ideal 230–370 BHP

• GT2554R journal bearing: spools ~1800RPM, ideal 170–270 BHP (requires adapter for turbo-intercooler pipe)

• GT2554R ball bearing: spools ~1500RPM, ideal 170–270 BHP (requires adapter for turbo-intercooler pipe)

Kit Features:

• Hot side 3mm-thick log-style manifold – flows easily for 300+ BHP

• Downpipe with welded M18 boss for wideband lambda sensor

• 200-cell sports cat integrated in the centrepipe – safe for regular use when mapped correctly (avoid excessive flame features like anti-lag)

• Direct fit to standard exhaust after the differential

Kit Contents:

• 1 x 1.8 Turbo manifold

• 1 x Head to manifold gasket

• 1 x Manifold to turbo gasket

• 4 x Manifold to turbo studs & nuts

• 1 x Turbo to elbow gasket

• 5 x Turbo to downpipe studs & nuts

• 2 x 2.5″ V-band clamps

• 1 x 2.5″ Stainless downpipe

• 1 x 2.5″ Stainless centrepipe with 200-cell sports cat

• 1 x 2.5″ Stainless rear diff-passing pipe

• 1 x Set of 2.5″ gasket bolts

This kit delivers improved flow, high-temperature durability, and maximum compatibility with a wide range of turbo setups, making it ideal for track or street applications.