Replaces the restrictive factory cats with high-performance 300 cell cats for maximum performance and sound!
Replaces the restrictive factory cats with high-performance 300 cell cats for maximum performance and sound!
Fitment both before and after the catalyst - 4 required
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OEM exhaust clamp - Two required
Oval-port gasket between the manifold and the cylinder head - Left or right side fitment
Universal 3-Bolt flange for your custom exhaust project. Extra thick 10mm flange to avoid warping.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Exhaust manifold to catalytic converter - Two required
Threaded retaining plate - Two required
Oval-port gasket between the manifold and the cylinder head - Left or right side fitment
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
08-26-2026
Oval-port gasket between the manifold and the cylinder head - Left or right side fitment
This product was last offered at the strikethrough price on
05-09-2026
Oval-port gasket between the manifold and the cylinder head - Left or right side fitment
We Price Match - Give Us A Call or Chat!
Exhaust manifold to catalytic converter - Two required
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
M8 x 28mm
This product was last offered at the strikethrough price on
09-30-2026
Unlock sharper sound and instant performance gains with equal-length headers engineered for maximum flow on your 986.1 Boxster.
Unlock your 986 Boxster’s sound and power with Maxflo—lightweight T304 stainless, high-flow HJS sport cats, dual tips, and a true bolt-on +8 whp upgrade.
Oval-port gasket between the manifold and the cylinder head
Fitment both before and after the catalyst - 4 required
2X Entries Into Our F80 M3 Sweepstakes